A weekly summary of the precedential patent-related opinions
issued by the Court of Appeals for the Federal Circuit and the
opinions designated precedential or informative by the Patent Trial
and Appeal Board.
Evolusion Concepts, Inc. v. HOC Events, Inc., et
al., Nos. 2021-1963, -1987 (Fed. Cir. (C.D. Cal.)
Jan. 14, 2022). Opinion by Taranto, joined by Prost and Chen.
Evolusion owns a patent directed to a device and method for
converting a semi-automatic rifle with a detachable magazine to one
with a fixed magazine. Evolusion filed separate infringement suits
against HOC Events and Juggernaut Tactical.
In the Juggernaut case, both parties moved for summary judgment
regarding infringement. The motions turned on whether a claimed
“magazine catch bar” includes or excludes a
factory-installed (OEM) magazine catch bar. The district court
ruled that a factory-installed magazine catch bar (used in
Juggernaut's products) is excluded. The court relied
primarily on a
