The Process for Invalidating a Patent Overview of the Patent Invalidity Challenge Process The procedure for disputing the validity of a patent is structured and can be initiated for a variety of reasons , including the canadian whatsapp number grounds discussed earlier. This challenge not only requires a deep understanding of patent law but also strategic planning and implementation.

Formal Procedures for Patent Invalidity Post-Grant Review (PGR) : PGR is a process that allows anyone other than the patent owner to question the validity of a patent claim on various grounds, including all those that could be raised under examination, within nine months of the grant of the patent. Inter Partes Review (IPR) : After the initial nine-month period following the grant of a patent, an IPR can be initiated.