Category: Patents

Terms related to patent law

Swear[ing] Behind

A term formerly used in a First-to-Invent patent priority system as …

System Claim

An Apparatus Claim in which the invention usually consists of an …

Unclean Hands

A concept in Equity Law, now often treated as a …

Utility Model

Another term for “Petty Patent,” a form of patent protection …

Utility Patent

In US usage means patents on useful things, methods or …

X-Patent

Refers to one of 2,845 early US patents whose records …

X-Reference

A classification for prior art references established by WIPO in …

Y-Reference

A classification for prior art references established by WIPO in …