How does the USPTO determine if a claim is too broad?

The United States Patent and Trademark Office (USPTO) uses several criteria to determine if a claim is too broad. According to MPEP 2173.04, the assessment depends on the specific issues with the claim: Inventor’s Regard: If the claim is broader than what the inventor regards as the invention, it may be rejected under 35 U.S.C.…

Read More

How does the USPTO apply the “Mere Function of Machine” rule during patent examination?

The United States Patent and Trademark Office (USPTO) applies the “Mere Function of Machine” rule by not rejecting process or method claims solely because they describe the function of a disclosed machine. As stated in MPEP 2173.05(v): “Process or method claims are not subject to rejection by U.S. Patent and Trademark Office examiners under 35…

Read More

What is the scope of inter partes reexamination?

The scope of inter partes reexamination is defined by 37 CFR 1.906, which states: Claims will be examined based on patents or printed publications. For subject matter added or deleted during reexamination, claims will be examined based on 35 U.S.C. 112 requirements. Claims cannot enlarge the scope of the original patent claims. Issues outside of…

Read More

What is the scope of an ex parte reexamination under 35 U.S.C. 304?

An ex parte reexamination under 35 U.S.C. 304 provides a complete reexamination of the patent claims based on prior art patents and printed publications. The MPEP states: “A reexamination proceeding ordered under 35 U.S.C. 304 provides a complete reexamination of the patent claims on the basis of prior art patents and printed publications.” Additionally, double…

Read More