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  2. Inter partes review - Wikipedia

    en.wikipedia.org/wiki/Inter_partes_review

    One may still issue a patent challenge in a District Court, rather than request an inter partes review. [6] As of mid-2017, over a thousand patents have been cancelled as a result of the inter partes review process, and there were more inter partes review cases heard through mid-2017 compared to any individual circuit court. [6]

  3. Patent opposition proceedings - Wikipedia

    en.wikipedia.org/wiki/Patent_opposition_proceedings

    In addition to opposition proceedings, several other mechanisms enable third parties to influence the patent granting process or challenge patents: Third-party observations : Individuals or entities can submit observations on the patentability of an invention during the examination phase, providing relevant prior art or arguments without ...

  4. 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.

  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. Patent prosecution - Wikipedia

    en.wikipedia.org/wiki/Patent_prosecution

    A re-examination is a proceeding conducted by the patent office after the grant of a patent in which the validity of a patent is re-examined at the request of the patentee or third party, [17] as provided by the applicable law. [27] In some countries, a re-examination system is provided as an alternative or complement to the opposition system ...

  7. Patent Trial and Appeal Board - Wikipedia

    en.wikipedia.org/wiki/Patent_Trial_and_Appeal_Board

    The Patent Trial and Appeal Board (PTAB) is an administrative law body of the United States Patent and Trademark Office (USPTO) which decides issues of patentability. It was formed on September 16, 2012, as one part of the America Invents Act .

  8. MedImmune, Inc. v. Genentech, Inc. - Wikipedia

    en.wikipedia.org/wiki/MedImmune,_Inc._v...

    The case was decided in favor of MedImmune, and the United States Patent and Trademark Office (USPTO) declared the patent invalid. Genentech appealed the USPTO the ruling and the patent remained valid and enforceable until the appeal was concluded. Genentech prevailed during the reexamination of Cabilly II(2) by the USPTO (1).

  9. Patent infringement under United States law - Wikipedia

    en.wikipedia.org/wiki/Patent_infringement_under...

    No infringement action may be started until the patent is issued. However, pre-grant protection is available under 35 U.S.C. § 154(d), which allows a patent owner to obtain reasonable royalty damages for certain infringing activities that occurred before patent's date of issuance. This right to obtain provisional damages requires a patent ...