Can a patent with prolix claims be invalidated after issuance?

Yes, a patent with prolix claims can potentially be invalidated after issuance, particularly on grounds of indefiniteness under 35 U.S.C. 112(b). While the MPEP 2173.05(m) guidance on prolix claims is primarily for examiners during prosecution, the underlying principle of claim clarity remains relevant post-issuance. In post-grant proceedings or litigation, if a court determines that the…

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What types of petitions are decided by the Patent Trial and Appeal Board?

The Patent Trial and Appeal Board (PTAB) decides various types of petitions related to patent examination and post-grant proceedings. These include: Requests in reply briefs and oral hearings to consider new arguments Petitions to institute trials (e.g., inter partes review, post-grant review) Motions related to interference or trial proceedings Requests for additional discovery Motions to…

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What additional documents must patent examiners review in related PTAB post-grant proceedings?

Patent examiners are required to review specific documents related to PTAB (Patent Trial and Appeal Board) post-grant proceedings. The MPEP states: The examiner must also review the file wrapper history and prior art contained in certain proceedings and specific documents in related PTAB post-grant proceedings. This requirement ensures that examiners consider relevant information from PTAB…

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What Kind Codes are associated with AIA trials?

The America Invents Act (AIA) introduced new types of post-grant proceedings, which are associated with specific Kind Codes. According to the MPEP, these codes are: J: Post-Grant Review Certificate K: Inter Partes Review Certificate O: Derivation Certificate These Kind Codes are used to identify documents related to the respective AIA trial proceedings. For example, a…

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