Ex parte Duff

This document cites

• US Code - 35 U.S.C. § 6 Patent Trial and Appeal Board
• US Code - 35 U.S.C. § 103 Conditions For Patentability; Non-Obvious Subject Matter
• US Code - 35 U.S.C. § 134 Appeal to the Patent Trial and Appeal Board
• Code of Federal Regulations - Extensions of time
• Federal Cases - In re Klein.



See all quotations

• Federal Cases - In re Keller