{"id":2640,"date":"2026-07-29T18:31:29","date_gmt":"2026-07-29T18:31:29","guid":{"rendered":"https:\/\/theatlaslegal.com\/l1b-specialized-knowledge-visa-evidence\/"},"modified":"2026-07-29T18:31:29","modified_gmt":"2026-07-29T18:31:29","slug":"l1b-specialized-knowledge-visa-evidence","status":"publish","type":"post","link":"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/","title":{"rendered":"L-1B Specialized Knowledge Visa: What Evidence Does USCIS Expect?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Parcourir le contenu<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Key_Takeaways\" >Principaux enseignements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#What_This_Guide_Covers\" >Contenu de ce guide<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#What_Specialized_Knowledge_Means\" >What Specialized Knowledge Means<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Special_Versus_Advanced_Knowledge\" >Special Versus Advanced Knowledge<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Evidence_USCIS_Expects\" >Evidence USCIS Expects<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Relationship_and_Prior_Employment\" >Relationship and Prior Employment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Common_Pitfalls_and_Denials\" >Common Pitfalls and Denials<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#When_to_Work_With_an_Immigration_Attorney\" >Quand faire appel \u00e0 un avocat sp\u00e9cialis\u00e9 en droit de l'immigration<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Frequently_Asked_Questions\" >Questions fr\u00e9quemment pos\u00e9es<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#What_is_the_L-1B_specialized_knowledge_visa\" >What is the L-1B specialized knowledge visa?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#What_counts_as_specialized_knowledge\" >What counts as specialized knowledge?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#What_evidence_does_USCIS_expect_for_L-1B\" >What evidence does USCIS expect for L-1B?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#What_is_the_difference_between_special_and_advanced_knowledge\" >What is the difference between special and advanced knowledge?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Why_do_L-1B_petitions_get_denied\" >Why do L-1B petitions get denied?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Does_the_L-1B_require_a_qualifying_company_relationship\" >Does the L-1B require a qualifying company relationship?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#How_long_can_I_stay_on_an_L-1B\" >How long can I stay on an L-1B?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Can_an_L-1B_lead_to_a_green_card\" >Can an L-1B lead to a green card?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Bottom_Line\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Sources\" >Sources<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/theatlaslegal.com\/fr\/l1b-specialized-knowledge-visa-evidence\/#Related_Articles\" >Articles connexes<\/a><\/li><\/ul><\/nav><\/div>\n<p>The L-1B specialized knowledge visa lets a company transfer an employee who has special knowledge of the company&#8217;s products, services, processes, or procedures, and USCIS expects evidence that this knowledge is genuinely specialized, not commonly held, and important to the U.S. operation. <strong>To approve an L-1B petition,<\/strong> USCIS looks for detailed evidence that the employee&#8217;s knowledge is either special, meaning distinct or uncommon within the industry, or advanced, meaning greatly developed within the company, along with proof of the qualifying corporate relationship, the required prior employment abroad, and how the knowledge will be used in the United States. Vague claims are a common reason for denial.<\/p>\n<p>This guide explains what evidence USCIS expects for an L-1B and how to document specialized knowledge. It connects to our guides on the <a href=\"https:\/\/theatlaslegal.com\/fr\/l-1-visa-intracompany-transfer-requirements-2026\/\">L-1 intracompany transfer requirements<\/a> and the <a href=\"https:\/\/theatlaslegal.com\/fr\/l1a-new-office-visa-requirements-denials\/\">Visa L-1A pour l'ouverture d'un nouveau bureau<\/a>.<\/p>\n<blockquote>\n<p>Preparing an L-1B specialized knowledge petition? Atlas Legal can help you document it. <a href=\"https:\/\/theatlaslegal.com\/fr\/contact\/\">Contact our team<\/a>.<\/p>\n<\/blockquote>\n<h2 id=\"takeaways\"><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Principaux enseignements<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>The L-1B is for employees with specialized knowledge of a company&#8217;s products or processes.<\/li>\n<li>Knowledge can be special (uncommon in the industry) or advanced (highly developed in the company).<\/li>\n<li>USCIS expects detailed, specific evidence, not vague assertions.<\/li>\n<li>You must also show the qualifying relationship and the required prior employment abroad.<\/li>\n<li>Explaining how the knowledge is used in the U.S. role strengthens the case.<\/li>\n<\/ul>\n<h2 id=\"toc\"><span class=\"ez-toc-section\" id=\"What_This_Guide_Covers\"><\/span>Contenu de ce guide<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"#what\">What specialized knowledge means<\/a><\/li>\n<li><a href=\"#special-advanced\">Special versus advanced knowledge<\/a><\/li>\n<li><a href=\"#evidence\">Evidence USCIS expects<\/a><\/li>\n<li><a href=\"#relationship\">Relationship and prior employment<\/a><\/li>\n<li><a href=\"#pitfalls\">Common pitfalls and denials<\/a><\/li>\n<li><a href=\"#faq\">Foire aux questions<\/a><\/li>\n<\/ul>\n<h2 id=\"what\"><span class=\"ez-toc-section\" id=\"What_Specialized_Knowledge_Means\"><\/span>What Specialized Knowledge Means<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The L-1B category applies to an employee with specialized knowledge of the petitioning organization&#8217;s products, services, research, equipment, techniques, management, or other interests and their application in international markets, or an advanced level of knowledge of the organization&#8217;s processes and procedures. In plain terms, the employee knows something about the company that is not commonly known and that matters to its operations.<\/p>\n<p>The challenge is that specialized knowledge is not defined by a simple checklist, so the evidence must paint a clear picture of what the employee knows, why it is specialized, and how the person acquired it. Generic job duties or ordinary skills that many workers possess do not meet the standard.<\/p>\n<h2 id=\"special-advanced\"><span class=\"ez-toc-section\" id=\"Special_Versus_Advanced_Knowledge\"><\/span>Special Versus Advanced Knowledge<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Specialized knowledge is generally understood in two forms. Special knowledge is knowledge of the company&#8217;s products, services, or applications that is distinct or uncommon compared with what is generally found in the industry. Advanced knowledge is knowledge of the company&#8217;s specific processes and procedures that is greatly developed or further along than what is common within the company itself.<\/p>\n<figure>\n<table>\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Focus<\/th>\n<th>Benchmark<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Special knowledge<\/td>\n<td>Company products, services, applications<\/td>\n<td>Uncommon compared with the industry<\/td>\n<\/tr>\n<tr>\n<td>Advanced knowledge<\/td>\n<td>Company processes and procedures<\/td>\n<td>Highly developed within the company<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>An employee may qualify under either type. The petition should identify which form of specialized knowledge applies and explain, with specifics, why the employee&#8217;s knowledge meets it. Comparing the employee&#8217;s knowledge to that of others in the industry or company helps establish the distinction.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/theatlaslegal.com\/wp-content\/uploads\/2026\/07\/l1b-specialized-evidence.jpg\" alt=\"USCIS expects detailed, specific evidence for L-1B specialized knowledge\" loading=\"lazy\" \/><figcaption>USCIS expects detailed, specific evidence, not vague claims.<\/figcaption><\/figure>\n<h2 id=\"evidence\"><span class=\"ez-toc-section\" id=\"Evidence_USCIS_Expects\"><\/span>Evidence USCIS Expects<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>USCIS expects detailed, specific evidence rather than conclusory statements. Helpful evidence often includes a thorough description of the employee&#8217;s knowledge and how it differs from that of other workers; documentation of specialized training, experience, or projects that built the knowledge; and an explanation of the company&#8217;s proprietary products, tools, methods, or processes involved.<\/p>\n<p>It also helps to show why the knowledge cannot be easily transferred to another worker or found in the U.S. labor market, and how the knowledge will be applied in the specific U.S. assignment. Letters from the company detailing the role, the knowledge, and its importance, supported by concrete examples, carry more weight than broad claims.<\/p>\n<blockquote>\n<p>Not sure your evidence shows knowledge is truly specialized? <a href=\"https:\/\/theatlaslegal.com\/fr\/contact\/\">Ask Atlas Legal<\/a> to review it.<\/p>\n<\/blockquote>\n<h2 id=\"relationship\"><span class=\"ez-toc-section\" id=\"Relationship_and_Prior_Employment\"><\/span>Relationship and Prior Employment<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Like all L-1 cases, the L-1B requires a qualifying corporate relationship between the foreign company and the U.S. company, such as parent, subsidiary, affiliate, or branch. The employee must also have worked for the qualifying organization abroad for at least one continuous year within the three years before the petition, in a position involving the specialized knowledge.<\/p>\n<p>Documenting the relationship through ownership and corporate records, and the prior employment through pay and personnel records, is essential. These foundational requirements apply regardless of how strong the specialized knowledge showing is, and our <a href=\"https:\/\/theatlaslegal.com\/fr\/l-1-visa-intracompany-transfer-requirements-2026\/\">L-1 requirements guide<\/a> explains them in detail.<\/p>\n<h2 id=\"pitfalls\"><span class=\"ez-toc-section\" id=\"Common_Pitfalls_and_Denials\"><\/span>Common Pitfalls and Denials<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The most common reason L-1B petitions struggle is vague or generic evidence. Simply asserting that an employee is experienced, skilled, or valuable does not establish specialized knowledge. Officers look for what specifically makes the knowledge special or advanced and how it differs from ordinary industry skills.<\/p>\n<p>Other pitfalls include failing to distinguish the employee&#8217;s knowledge from that of colleagues, describing knowledge that is widely held in the industry, not connecting the knowledge to the U.S. role, and weak documentation of the qualifying relationship or prior employment. Anticipating these issues and responding with concrete, specific evidence gives the petition the best chance of approval, and helps in responding to any request for evidence.<\/p>\n<h2 id=\"attorney\"><span class=\"ez-toc-section\" id=\"When_to_Work_With_an_Immigration_Attorney\"><\/span>Quand faire appel \u00e0 un avocat sp\u00e9cialis\u00e9 en droit de l'immigration<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L-1B cases turn on how well specialized knowledge is defined and documented. Legal help is valuable when you need to characterize knowledge as special or advanced, when you are gathering evidence that distinguishes the employee from ordinary workers, when you are connecting the knowledge to the U.S. assignment, or when you are responding to a request for evidence. An attorney can help you present a persuasive, well-documented petition. Outcomes depend on the facts of each case.<\/p>\n<h2 id=\"faq\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Questions fr\u00e9quemment pos\u00e9es<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_L-1B_specialized_knowledge_visa\"><\/span>What is the L-1B specialized knowledge visa?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The L-1B is an intracompany transfer visa for an employee who has specialized knowledge of the petitioning organization&#8217;s products, services, research, equipment, techniques, management, or processes and procedures. It allows a qualifying company to transfer that employee from a foreign office to a related U.S. office. To qualify, the employee&#8217;s knowledge must be either special, meaning distinct or uncommon in the industry, or advanced, meaning highly developed within the company. The petition must also establish the qualifying corporate relationship and the employee&#8217;s required prior employment abroad.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_counts_as_specialized_knowledge\"><\/span>What counts as specialized knowledge?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Specialized knowledge means the employee knows something about the company that is not commonly held and that matters to its operations. It comes in two forms: special knowledge of the company&#8217;s products, services, or applications that is uncommon compared with the industry, and advanced knowledge of the company&#8217;s processes and procedures that is greatly developed within the company. Ordinary skills that many workers possess, or general industry knowledge, do not qualify. The petition must show specifically why the employee&#8217;s knowledge is distinct or advanced and how it was acquired.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_evidence_does_USCIS_expect_for_L-1B\"><\/span>What evidence does USCIS expect for L-1B?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>USCIS expects detailed, specific evidence rather than conclusory statements. This often includes a thorough description of the employee&#8217;s knowledge and how it differs from that of other workers, documentation of the specialized training, experience, or projects that built it, and an explanation of the company&#8217;s proprietary products, tools, methods, or processes involved. It also helps to show why the knowledge is not easily found in the U.S. labor market and how it will be applied in the specific U.S. assignment. Concrete examples strengthen the petition.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_special_and_advanced_knowledge\"><\/span>What is the difference between special and advanced knowledge?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Special knowledge concerns the company&#8217;s products, services, or applications and is measured against the industry: it is distinct or uncommon compared with what is generally found in the field. Advanced knowledge concerns the company&#8217;s specific processes and procedures and is measured against the company itself: it is greatly developed or further along than what is common within the organization. An employee may qualify under either type. The petition should identify which form applies and explain, with specifics and comparisons, why the employee&#8217;s knowledge meets that standard.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_do_L-1B_petitions_get_denied\"><\/span>Why do L-1B petitions get denied?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The most common reason is vague or generic evidence that merely asserts the employee is experienced, skilled, or valuable without showing what specifically makes the knowledge special or advanced. Other reasons include failing to distinguish the employee&#8217;s knowledge from that of colleagues, describing knowledge that is widely held in the industry, not connecting the knowledge to the U.S. role, and weak documentation of the qualifying relationship or prior employment abroad. Anticipating these issues and providing concrete, specific evidence reduces the risk of denial or a request for evidence.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Does_the_L-1B_require_a_qualifying_company_relationship\"><\/span>Does the L-1B require a qualifying company relationship?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Yes. Like all L-1 cases, the L-1B requires a qualifying corporate relationship between the foreign company and the U.S. company, such as parent, subsidiary, affiliate, or branch, with both entities generally doing business. The employee must also have worked for the qualifying organization abroad for at least one continuous year within the three years before the petition, in a role involving the specialized knowledge. These foundational requirements apply regardless of how strong the specialized knowledge showing is, and they must be documented with corporate and employment records.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_long_can_I_stay_on_an_L-1B\"><\/span>How long can I stay on an L-1B?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L-1B status has a maximum period of stay that is shorter than the L-1A maximum, granted in increments through the initial petition and extensions. The exact periods and limits are set by regulation and can change, so you should confirm the current rules when you apply. Because the L-1B has a ceiling on total time, employees and employers often plan ahead, including considering whether a green card path may be appropriate. An attorney can explain the current maximum stay and how it fits your long-term plans.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Can_an_L-1B_lead_to_a_green_card\"><\/span>Can an L-1B lead to a green card?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>An L-1B can be a stepping stone, but unlike the L-1A, it does not align directly with the EB-1C multinational manager category. L-1B employees who wish to pursue permanent residence typically do so through employment-based categories that fit their qualifications, which may involve a labor certification and an employer-sponsored petition, or another applicable path. Whether and how an L-1B employee can move toward a green card depends on their role, qualifications, and the employer&#8217;s willingness to sponsor. Legal guidance can help identify a realistic path.<\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"Bottom_Line\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The L-1B lets a company transfer an employee with specialized knowledge, but approval depends on detailed, specific evidence that the knowledge is genuinely special or advanced, not commonly held, and important to the U.S. operation, along with the qualifying relationship and prior employment abroad. Vague claims are the top reason cases fail. Each case depends on its own facts.<\/p>\n<p>If you are preparing an L-1B petition, Atlas Legal Immigration Law can help. Reach us at <strong>1750 E Golf Rd, bureau 214, Schaumburg, IL 60173<\/strong>, appeler <strong>(+1) 872 382 2762<\/strong>, ou par e-mail <strong>info@theatlaslegal.com<\/strong>. Pour en savoir plus, rendez-vous sur notre <a href=\"https:\/\/theatlaslegal.com\/fr\/services\/\">services page<\/a>.<\/p>\n<hr>\n<p><em>Reviewed by the Atlas Legal Immigration Law editorial team. Last reviewed on July 29, 2026.<\/em><\/p>\n<h2 id=\"sources\"><span class=\"ez-toc-section\" id=\"Sources\"><\/span>Sources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Services am\u00e9ricains de la citoyennet\u00e9 et de l'immigration, <a href=\"https:\/\/www.uscis.gov\/working-in-the-united-states\/temporary-workers\/l-1b-intracompany-transferee-specialized-knowledge\" target=\"_blank\" rel=\"noopener\">L-1B Intracompany Transferee Specialized Knowledge<\/a><\/li>\n<li>Services am\u00e9ricains de la citoyennet\u00e9 et de l'immigration, <a href=\"https:\/\/www.uscis.gov\/forms\/i-129\" target=\"_blank\" rel=\"noopener\">Formulaire I-129, Demande de visa pour un travailleur non immigrant<\/a><\/li>\n<li>D\u00e9partement d'\u00c9tat am\u00e9ricain, <a href=\"https:\/\/travel.state.gov\/content\/travel\/en\/us-visas\/employment\/temporary-worker-visas.html\" target=\"_blank\" rel=\"noopener\">Temporary Worker Visas<\/a><\/li>\n<\/ul>\n<p><em>Cet article est fourni \u00e0 titre d'information g\u00e9n\u00e9rale uniquement et ne constitue en aucun cas un conseil juridique. Les lois sur l'immigration, les frais administratifs, les politiques et les d\u00e9lais de traitement sont susceptibles d'\u00e9voluer. La lecture de cet article ou la prise de contact avec Atlas Legal n'entra\u00eene pas en soi la cr\u00e9ation d'une relation avocat-client. L'issue de toute affaire d'immigration d\u00e9pend des faits et des circonstances propres \u00e0 chaque cas.<\/em><\/p>\n<h2 id=\"related\"><span class=\"ez-toc-section\" id=\"Related_Articles\"><\/span>Articles connexes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/theatlaslegal.com\/fr\/l-1-visa-intracompany-transfer-requirements-2026\/\">L-1 Visa Intracompany Transfer Requirements<\/a><\/li>\n<li><a href=\"https:\/\/theatlaslegal.com\/fr\/l1a-new-office-visa-requirements-denials\/\">L-1A New Office Visa: Requirements, Timeline, and Denials<\/a><\/li>\n<li><a href=\"https:\/\/theatlaslegal.com\/fr\/can-a-small-company-sponsor-l1-visa\/\">Can a Small Company Sponsor an L-1 Visa?<\/a><\/li>\n<li><a href=\"https:\/\/theatlaslegal.com\/fr\/l1a-vs-e2-visa-for-business-owners\/\">L-1A vs E-2 Visa for Business Owners<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The L-1B is for employees with special or advanced knowledge of a company&#8217;s products or processes. USCIS expects detailed, specific evidence, not vague claims, plus the qualifying relationship.<\/p>","protected":false},"author":6,"featured_media":2639,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90],"tags":[1270,534,537,1268,1267,1269],"class_list":["post-2640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-employment-visas","tag-advanced-knowledge","tag-intracompany-transfer","tag-l-1-visa-lawyer","tag-l-1b-evidence","tag-l-1b-specialized-knowledge","tag-special-knowledge"],"_links":{"self":[{"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/posts\/2640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/comments?post=2640"}],"version-history":[{"count":0,"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/posts\/2640\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/media\/2639"}],"wp:attachment":[{"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/media?parent=2640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/categories?post=2640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theatlaslegal.com\/fr\/wp-json\/wp\/v2\/tags?post=2640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}