{"id":1362,"date":"2021-03-15T22:51:00","date_gmt":"2021-03-15T22:51:00","guid":{"rendered":"https:\/\/leyton.majjane.agency\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/"},"modified":"2026-07-15T14:29:31","modified_gmt":"2026-07-15T13:29:31","slug":"rd-tax-credit-the-4-part-qualification-test-explained","status":"publish","type":"article","link":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/","title":{"rendered":"R&#038;D Tax Credit: The 4-Part Qualification Test Explained"},"content":{"rendered":"<p>The <a href=\"https:\/\/leyton.com\/us\/rd-tax-credit\/\" target=\"_blank\" rel=\"noreferrer noopener\">R&amp;D Tax Credit<\/a> is a federal incentive that rewards innovative companies that improve or develop a new product and\/or process. To make sure that companies are staying compliant, the IRS has enforced a qualification criteria that must be met by companies aiming to claim the R&amp;D Tax Credit. Learn how to use the R&amp;D Tax Credit 4 part test to see if you qualify!<\/p>\n<p>Alternatively, companies that aren\u2019t sure if they qualify may actually find themselves innovative once they look at the four part test. An activity that meets the 4-part test is a qualifying research activity and can potentially qualify for the R&amp;D Tax Credit.<\/p>\n<div style=\"height:49px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h2 class=\"wp-block-heading has-text-color\" style=\"color:#1a206d\">What is the 4-Part Test?<\/h2>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#1a206d\">1. Permitted Purpose (or Qualified Purpose\/Business Component Test)<\/h3>\n<p>An activity intended to develop new or improved business component:<\/p>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<p><strong>Has your company demonstrated that the information being discovered was to develop a new or improved product, process, computer software, technique, formula, or invention, which is to be held for sale, lease, license, or further used in its trade or business?<\/strong><\/p>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#1a206d\">2. Elimination of Uncertainty<\/h3>\n<p>An activity intended to eliminate technical uncertainty concerning:<\/p>\n<p><strong>Has your company demonstrated that it tried to learn something new about the product or process being changed in order to improve it and has it demonstrated that the product or process could not be improved without going through this discovery process?<\/strong><\/p>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#1a206d\">3. Process of Experimentation<\/h3>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<p>Implementation of a systemic approach to identify and evaluate different alternatives to achieve a desired result by:<\/p>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<p><strong>Has your company demonstrated that it went through a process of elimination, trial and error, or other evaluation of alternatives in order to arrive at the new or improved product or process?<\/strong><\/p>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h3 class=\"wp-block-heading has-text-color\" style=\"color:#1a206d\">4. Technological in Nature<\/h3>\n<p>Application of hard sciences principles, such as:<\/p>\n<div style=\"height:23px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<p><strong>Can your company demonstrate that its development of a business component relied upon the principles of the physical or biological sciences, engineering, or computer science?<\/strong><\/p>\n<p class=\"has-primary-color has-text-color\"><strong>If you answered yes to these 4 questions, we have great news for you! There is high chance that your business can take advantage of the R&amp;D Tax Credit.<\/strong><\/p>\n<p>Not sure whether your business passes the 4-Part Test? Reach out to our tax experts today! We understand that the 4-Part Test can be complicated, that&#8217;s why we are here to help. The R&amp;D Tax Credit legislation is much broader than people often assume. Several industries perform R&amp;D activity on a daily basis without realizing it. <\/p>\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n<div style=\"height:37px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<h4 class=\"wp-block-heading has-text-color\" style=\"color:#1a206d\">About Leyton:<\/h4>\n<p>Founded in 1997, Leyton is a global innovation funding consultancy dedicated to helping our clients improve their business performance. In the US, our specific expertise is in optimization of Federal and State Research &amp; Development (R&amp;D) Tax Credits. As a business, we want to help unleash our clients potential and be a strategic partner in their evolution and growth.<\/p>\n<div class=\"calendly-inline-widget\" data-url=\"https:\/\/calendly.com\/us-rdc\/us-r-d-eligibility-discover-meeting?text_color=012d48&amp;primary_color=ec6839\" style=\"min-width:320px;height:700px\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The R&amp;D Tax Credit is a federal incentive that rewards innovative companies that improve or develop a new product and\/or process. To make sure that companies are staying compliant, the IRS has enforced a qualification criteria that must be met by companies aiming to claim the R&amp;D Tax Credit. Learn how to use the R&amp;D [&hellip;]<\/p>\n","protected":false},"author":91,"featured_media":1200,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[205,69],"tags":[332,71,21],"expertise":[370],"class_list":["post-1362","article","type-article","status-publish","format-standard","has-post-thumbnail","hentry","category-industries","category-rd-tax-credit","tag-four-part-test","tag-innovation","tag-partnership","expertise-innovation-funding-incentives"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>R&amp;D Tax Credit Qualification: The 4 Part Test Explained | Leyton US<\/title>\n<meta name=\"description\" content=\"An activity that meets the IRS 4-part test is a qualifying research activity and can potentially qualify for the R&amp;D Tax Credit. Learn more.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R&amp;D Tax Credit: The 4-Part Qualification Test Explained\" \/>\n<meta property=\"og:description\" content=\"An activity that meets the IRS 4-part test is a qualifying research activity and can potentially qualify for the R&amp;D Tax Credit. Learn more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/\" \/>\n<meta property=\"og:site_name\" content=\"Leyton United States\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-15T13:29:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/leyton.com\/wp-content\/blogs.dir\/4\/files\/2022\/10\/Image8.png\" \/>\n\t<meta property=\"og:image:width\" content=\"767\" \/>\n\t<meta property=\"og:image:height\" content=\"256\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/\",\"url\":\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/\",\"name\":\"R&D Tax Credit Qualification: The 4 Part Test Explained | Leyton US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/leyton.com\\\/wp-content\\\/blogs.dir\\\/4\\\/files\\\/2022\\\/10\\\/Image8.png\",\"datePublished\":\"2021-03-15T22:51:00+00:00\",\"dateModified\":\"2026-07-15T13:29:31+00:00\",\"description\":\"An activity that meets the IRS 4-part test is a qualifying research activity and can potentially qualify for the R&D Tax Credit. Learn more.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/#primaryimage\",\"url\":\"https:\\\/\\\/leyton.com\\\/wp-content\\\/blogs.dir\\\/4\\\/files\\\/2022\\\/10\\\/Image8.png\",\"contentUrl\":\"https:\\\/\\\/leyton.com\\\/wp-content\\\/blogs.dir\\\/4\\\/files\\\/2022\\\/10\\\/Image8.png\",\"width\":767,\"height\":256},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/insights\\\/articles\\\/rd-tax-credit-the-4-part-qualification-test-explained\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/leyton.com\\\/us\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R&#038;D Tax Credit: The 4-Part Qualification Test Explained\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/#website\",\"url\":\"https:\\\/\\\/leyton.com\\\/us\\\/\",\"name\":\"Leyton\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/leyton.com\\\/us\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/#organization\",\"name\":\"Leyton\",\"url\":\"https:\\\/\\\/leyton.com\\\/us\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/leyton.com\\\/wp-content\\\/blogs.dir\\\/4\\\/files\\\/2026\\\/01\\\/logo.svg\",\"contentUrl\":\"https:\\\/\\\/leyton.com\\\/wp-content\\\/blogs.dir\\\/4\\\/files\\\/2026\\\/01\\\/logo.svg\",\"width\":108,\"height\":44,\"caption\":\"Leyton\"},\"image\":{\"@id\":\"https:\\\/\\\/leyton.com\\\/us\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"R&D Tax Credit Qualification: The 4 Part Test Explained | Leyton US","description":"An activity that meets the IRS 4-part test is a qualifying research activity and can potentially qualify for the R&D Tax Credit. Learn more.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/","og_locale":"en_US","og_type":"article","og_title":"R&D Tax Credit: The 4-Part Qualification Test Explained","og_description":"An activity that meets the IRS 4-part test is a qualifying research activity and can potentially qualify for the R&D Tax Credit. Learn more.","og_url":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/","og_site_name":"Leyton United States","article_modified_time":"2026-07-15T13:29:31+00:00","og_image":[{"width":767,"height":256,"url":"https:\/\/leyton.com\/wp-content\/blogs.dir\/4\/files\/2022\/10\/Image8.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/","url":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/","name":"R&D Tax Credit Qualification: The 4 Part Test Explained | Leyton US","isPartOf":{"@id":"https:\/\/leyton.com\/us\/#website"},"primaryImageOfPage":{"@id":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/#primaryimage"},"image":{"@id":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/#primaryimage"},"thumbnailUrl":"https:\/\/leyton.com\/wp-content\/blogs.dir\/4\/files\/2022\/10\/Image8.png","datePublished":"2021-03-15T22:51:00+00:00","dateModified":"2026-07-15T13:29:31+00:00","description":"An activity that meets the IRS 4-part test is a qualifying research activity and can potentially qualify for the R&D Tax Credit. Learn more.","breadcrumb":{"@id":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/#primaryimage","url":"https:\/\/leyton.com\/wp-content\/blogs.dir\/4\/files\/2022\/10\/Image8.png","contentUrl":"https:\/\/leyton.com\/wp-content\/blogs.dir\/4\/files\/2022\/10\/Image8.png","width":767,"height":256},{"@type":"BreadcrumbList","@id":"https:\/\/leyton.com\/us\/insights\/articles\/rd-tax-credit-the-4-part-qualification-test-explained\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/leyton.com\/us\/"},{"@type":"ListItem","position":2,"name":"R&#038;D Tax Credit: The 4-Part Qualification Test Explained"}]},{"@type":"WebSite","@id":"https:\/\/leyton.com\/us\/#website","url":"https:\/\/leyton.com\/us\/","name":"Leyton","description":"","publisher":{"@id":"https:\/\/leyton.com\/us\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/leyton.com\/us\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/leyton.com\/us\/#organization","name":"Leyton","url":"https:\/\/leyton.com\/us\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/leyton.com\/us\/#\/schema\/logo\/image\/","url":"https:\/\/leyton.com\/wp-content\/blogs.dir\/4\/files\/2026\/01\/logo.svg","contentUrl":"https:\/\/leyton.com\/wp-content\/blogs.dir\/4\/files\/2026\/01\/logo.svg","width":108,"height":44,"caption":"Leyton"},"image":{"@id":"https:\/\/leyton.com\/us\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/article\/1362","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/article"}],"about":[{"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/types\/article"}],"author":[{"embeddable":true,"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/users\/91"}],"replies":[{"embeddable":true,"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/comments?post=1362"}],"version-history":[{"count":0,"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/article\/1362\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/media\/1200"}],"wp:attachment":[{"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/media?parent=1362"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/categories?post=1362"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/tags?post=1362"},{"taxonomy":"expertise","embeddable":true,"href":"https:\/\/leyton.com\/us\/wp-json\/wp\/v2\/expertise?post=1362"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}