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Re-examination procedures: Post-grant administrative processes where the patent office re-evaluates the validity of a patent, often initiated by a third party or the patentee, sometimes without the adversarial format of opposition proceedings.
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]
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 ...
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.
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 ...
Article 99(1) EPC, i.e. a notice of opposition must be filed by a natural or legal person within nine months from the publication of the mention of grant of the European patent in the European Patent Bulletin (the start of the nine-month opposition period depends on the publication of the mention of grant of the European patent in the European ...
The office's Patent Trial and Appeal Board denied the requests by Mylan Pharmaceuticals, which is owned by Viatris, to review the validity of the Wegovy and Ozempic patents.
If an issued patent is found to be defective, the patent owner can surrender the patent and file a reissue application to correct the defect. One such defect occurs when the issued patent claims either more or less than the coverage to which the patentee is entitled, the latter situation resulting in a "broadening reissue".