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  2. Patent opposition proceedings - Wikipedia

    en.wikipedia.org/wiki/Patent_opposition_proceedings

    Post-grant review provisions of the new patent law may affect a potential patent infringement defendant's strategies in filing a declaratory judgment action. Subsequent to the Leahy–Smith America Invents Act (2011), any third party can challenge the validity of an issued patent using either post-grant review under 35 U.S.C. § 321 or inter ...

  3. Opposition proceeding - Wikipedia

    en.wikipedia.org/wiki/Opposition_proceeding

    An opposition proceeding is an administrative process available under the patent and trademark law of many jurisdictions which allows third parties to formally challenge the validity of a pending patent application ("pre-grant opposition"), of a granted patent ("post-grant opposition"), or of a trademark.

  4. Leahy–Smith America Invents Act - Wikipedia

    en.wikipedia.org/wiki/Leahy–Smith_America...

    Post Grant Review proceedings may be terminated either by settlement or by decision of the Board. There is also estoppel associated with the challenger at the USPTO, the District Courts and the International Trade Commission (ITC) in asserting invalidity on any ground that could have been reasonably raised during Post Grant Review. [52]

  5. Reexamination - Wikipedia

    en.wikipedia.org/wiki/Reexamination

    A request for a reexamination can be filed by anyone at any time during the period of enforceability of a patent. To request a reexamination, one must submit a "request for reexamination" which includes (1) a statement pointing out each "substantial new question of patentability based on prior patents and printed publications; (2) an identification and explanation for every claim for which ...

  6. United States patent law - Wikipedia

    en.wikipedia.org/wiki/United_States_patent_law

    Following the grant of a patent, possible post-grant proceedings include reissue, ex parte reexamination, inter partes reexamination, inter partes review, post-grant review, supplemental examination, and post-grant validity review of business method patents. [32]

  7. Versata Development Group, Inc. v. SAP America, Inc.

    en.wikipedia.org/wiki/Versata_Development_Group...

    The court said that what § 324(e) says is that "[t]he determination by the [PTAB] whether to institute a post-grant review under this section shall be final and nonappealable," not that the final decision to invalidate a patent that the USPTO found to be a CBM patent could not be reviewed in regard to whether the patent was actually a CBM ...

  8. Inter partes review - Wikipedia

    en.wikipedia.org/wiki/Inter_partes_review

    An inter partes review is used to challenge the patentability of one or more claims in a U.S. patent only on a ground that could be raised under 35 U.S.C. §§ 102 or 103 (non-obviousness), and only on the basis of prior art consisting of patents or printed publications. [3]

  9. Patent prosecution - Wikipedia

    en.wikipedia.org/wiki/Patent_prosecution

    The process of objection and response is repeated until the patent is in a form suitable for grant, the Applicant abandons the applications, [15] or a hearing is arranged to resolve the matter. For 2021, the patent grant rate was 62.7% for the EPO, 74.8% for the JPO, 74.0% for the KIPO, 55.0% for the CNIPA, and 79.2% for the USPTO. [16]