Question: Who must a disclaimer be signed by in a patent or a reexamination proceeding? Answer: A disclaimer filed in a patent or a reexamination proceeding must be signed by either: the patentee (the assignee, the inventor(s) if the patent is not assigned, or the assignee and the inventors if the patent is assigned-in-part), or an attorney or agent of record. Chapter Details: The answer to this question can be found in chapter 1400 of the MPEP. This chapter covers Correction of Patents. The answer is from the 9th Edition, Revision 07.2015. Depending on future changes to the MPEP, the…
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