{"id":11583,"date":"2022-03-23T14:22:30","date_gmt":"2022-03-23T13:22:30","guid":{"rendered":"https:\/\/iamip.com\/?post_type=docs&#038;p=11583"},"modified":"2022-03-29T12:35:51","modified_gmt":"2022-03-29T10:35:51","slug":"us-patent-classification-by-uspto","status":"publish","type":"docs","link":"https:\/\/iamip.com\/de\/wiki\/us-patent-classification-by-uspto\/","title":{"rendered":"US Patent Classification by USPTO"},"content":{"rendered":"\n<p class=\"has-black-color has-text-color\">Until 2013, the US Patent and Trademark Office (USPTO) used its own classification which, in some cases, deviated significantly from the internationally used International Patent Classification (<a href=\"https:\/\/iamip.com\/wiki\/ipc-international-patent-classification\/\" target=\"_blank\" rel=\"noreferrer noopener\">IPC<\/a>). Since January 1<sup>st<\/sup>, 2013, USPTO uses<a href=\"https:\/\/iamip.com\/wiki\/cpc-cooperative-patent-classification\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u202fCPC<\/a>.\u202f\u00a0<\/p>\n\n\n\n<p class=\"has-black-color has-text-color\">All patents, until 1920, have been reclassified and can be found by using CPC when performing patent searches. US patent publications published after January 1<sup>st<\/sup>, 2013, shows the CPC. Patents and applications prior to this date include the US classes.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Until 2013, the US Patent and Trademark Office (USPTO) used its own classification which, in some cases, deviated significantly from [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"doc_category":[80],"doc_tag":[],"class_list":["post-11583","docs","type-docs","status-publish","hentry","doc_category-patent-glossary"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>US Patent Classification by USPTO - IamIP<\/title>\n<meta name=\"description\" content=\"Until 2013, the US Patent and Trademark Office (USPTO) used its own classification which, in some cases, deviated significantly from the internationally used International Patent Classification (IPC)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/iamip.com\/de\/wiki\/us-patent-classification-by-uspto\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"US Patent Classification by USPTO - 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