{"id":458,"date":"2021-07-02T00:00:00","date_gmt":"2021-07-02T00:00:00","guid":{"rendered":"https:\/\/norrismclaughlin.com\/mtym\/2021\/07\/02\/challenging-validity-patent-supreme-court-minerva-decision\/"},"modified":"2021-07-02T00:00:00","modified_gmt":"2021-07-02T00:00:00","slug":"challenging-validity-patent-supreme-court-minerva-decision","status":"publish","type":"post","link":"https:\/\/norrismclaughlin.com\/mtym\/patent\/challenging-validity-patent-supreme-court-minerva-decision\/","title":{"rendered":"Challenging the Validity of a Patent: The Supreme Court Minerva Decision"},"content":{"rendered":"

The Supreme Court of the United States<\/a> recently held in the case of Minerva Surgical, Incorporated v. Hologic, Incorporated<\/em> that the doctrine of assignor estoppel (a rule that prevents people who assign their patents to a company from then challenging the validity of their patent) is alive and well, but subject to certain important exceptions.<\/p>\n

The Validity of a Patent<\/strong><\/h2>\n

In the Minerva<\/em> case, the Supreme Court required the lower court to explain whether the inventor\u2019s promise not to challenge the validity of a first patent at the time of the assignment could be held against the inventor when challenging a later patent with claims that were broader than the ones involved in the patent assigned.<\/p>\n

The decision saw the Supreme Court apply a \u201cnon-contradiction\u201d rule to assignor estoppel issues, which requires one to determine whether the inventor truly gave up the ability to challenge the validity of the patent in question in the assignment document. This rule will be the one to follow for all future assignor estoppel cases.<\/p>\n

Implications for Inventors and Businesses<\/strong><\/h2>\n

The Minerva<\/em> decision has important implications for inventors and businesses alike. Some key take-aways are as follows:<\/p>\n

    \n
  1. Generic assignment language may create an estoppel as to a validity challenge to a claim or claims of the patent assigned, but may not cover claims of pending applications that differ in scope and claims of patents issuing from such pending applications.\n
      \n
    1. What role does claim construction play in the scope of any purported validity representation or estoppel?<\/li>\n
    2. What impact does a broadening reissue or narrowing reexamination\/reissue have on the scope of estoppel?<\/li>\n
    3. Must a new assignment be submitted for continuation-in-part patent applications whose claims encompass subject matter that was not present in the applications previously assigned?<\/li>\n<\/ol>\n<\/li>\n
    4. To the extent the Minerva<\/em> decision ties a particular validity representation to claim language, assignments should seek to cover all permutations of claims to any subject matter disclosed in the subject application and\/or patent.<\/li>\n
    5. Additional representations in an assignment may be required to help the assignee estop validity challenges to claims issuing from pending patent applications that are assigned. For example, assignors may try to utilize separate no-challenge clauses in their assignments, such as imposition of fines, payment of legal fees for defending against the challenge, and\/or forfeiture or refund of royalties paid to the assignor.<\/li>\n<\/ol>\n

      Contact Norris McLaughlin about Patent Protections<\/strong><\/h2>\n

      When in doubt over whether your assignment documents provide your patent with sufficient protections and privileges, be sure to contact one of the intellectual property lawyers<\/a> at Norris McLaughlin, P.A.<\/a>, to get an experienced hand to help you in the process. If you have questions about this blog post or any related matters, please feel free to contact me at jfarco@norris-law.com<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

      The Supreme Court of the United States recently held in the case of Minerva Surgical, Incorporated v. Hologic, Incorporated that the doctrine of assignor estoppel (a rule that prevents people who assign their patents to a company from then challenging the validity of their patent) is alive and well, but subject to certain important exceptions.<\/p>\n","protected":false},"author":172,"featured_media":459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[325,315,88,419],"tags":[197,420,421,228],"coauthors":[],"acf":[],"yoast_head":"\nChallenging the Validity of a Patent: The Supreme Court Minerva Decision - More Than Your Mark\u00ae<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/norrismclaughlin.com\/mtym\/patent\/challenging-validity-patent-supreme-court-minerva-decision\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Challenging the Validity of a Patent: The Supreme Court Minerva Decision\" \/>\n<meta property=\"og:description\" content=\"The Supreme Court of the United States recently held in the case of Minerva Surgical, Incorporated v. 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