Once a patent has been issued by the U.S.Patent and Trademark Office,the patent cannot be challenged or revoked due to the comprehensive investigation performed by the USPTO prior to issuance.

Question

Quizplus · Accepted Answer

A patent can be challenged or revoked even after it has been granted by the USPTO. This can happen through legal proceedings, such as patent infringement lawsuits or inter partes review (IPR) conducted by the Patent Trial and Appeal Board (PTAB). However, the USPTO does perform a thorough examination of patent applications prior to granting a patent, which can increase the validity and strength of the patent.

Once a Patent Has Been Issued by the U