{"id":27104,"date":"2018-03-01T14:07:11","date_gmt":"2018-03-01T13:07:11","guid":{"rendered":"https:\/\/clarivate.com\/?p=27104"},"modified":"2018-03-01T14:07:11","modified_gmt":"2018-03-01T13:07:11","slug":"accurately-determining-patent-expiration-dates-harder-may-think","status":"publish","type":"post","link":"https:\/\/clarivate.com\/intellectual-property\/blog\/accurately-determining-patent-expiration-dates-harder-may-think\/","title":{"rendered":"Accurately determining patent expiration dates: Why it&#8217;s harder than you may think"},"content":{"rendered":"<p>Patents are expensive.\u00a0\u00a0Patents are important.\u00a0\u00a0You might think, therefore, that it would be\u00a0<strong>easy<\/strong>\u00a0to determine how long a patent lasts, right?<\/p>\n<h3>Sadly, you\u2019d be wrong.<\/h3>\n<p>In the past, it\u00a0<strong>was<\/strong>\u00a0pretty easy:\u00a0\u00a0The first US patent was granted 227 years ago today, on July 31, 1790.\u00a0It had a \u201cterm not exceeding fourteen years\u201d as can be plainly seen at\u00a0<a href=\"http:\/\/legisworks.org\/sal\/1\/stats\/STATUTE-1-Pg109.pdf\" target=\"_blank\" rel=\"noopener\">1 Stat. 110<\/a><u>.<\/u><\/p>\n<p>@media (max-width: 1025px){.banner-ad {flex-direction: column;}.banner-ad .column{margin: 20px 0;}}<\/p>\n<div class=\"row flexible grid-center banner-ad\" style=\"margin: 15px 0;color: #000;font-size: 18px;font-weight: bold\">\n<div class=\"column\">Accurately determining patent expiration dates: Why it&#8217;s harder than you may think.<\/div>\n<div class=\"column\">\n<div class=\"button-holder\" style=\"text-align: right\"><a href=\"http:\/\/discover.clarivate.com\/Patent-expiry-dates\/\" class=\"btn btn-primary-accessible\" style=\"color: #fff\" target=\"_blank\" rel=\"noopener noreferrer\">Download report<\/a><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Patents are expensive.\u00a0\u00a0Patents are important.\u00a0\u00a0You might think, therefore, that it would be\u00a0easy\u00a0to determine how long a patent lasts, right? Sadly, you\u2019d be wrong. In the past, it\u00a0was\u00a0pretty easy:\u00a0\u00a0The first US&#8230;<\/p>\n","protected":false},"author":2,"featured_media":27130,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[22,28],"class_list":["post-27104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-derwent","tag-patents"],"acf":[],"lang":"en","translations":{"en":27104},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/posts\/27104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/comments?post=27104"}],"version-history":[{"count":0,"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/posts\/27104\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/media?parent=27104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/categories?post=27104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/clarivate.com\/intellectual-property\/wp-json\/wp\/v2\/tags?post=27104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}