Cessation of the sale of products that are patented but unmarked by the licensee (Honda) does excuse the patentee (Artic Cat) from the...

The Federal Circuit held that the Patent Trial and Appeal Board (PTAB) cannot institute inter partes review on a ground not advanced in...

Cheetah sued AT&T along with Ciena Corporation alleging infringement of U.S. Pat. 7,522,836 which is a grandchild of U.S. Pat. 6,943,925....

The Federal Circuit held that the Patent Trial and Appeal Board (PTAB) is not permitted to cancel claims on the grounds of indefiniteness...

After Schrader has failed to demonstrate that a claim is obvious based on printed publications in an inter partes review, it is estopped...

A would-be infringer should not escape liability for design patent infringement if a design is copied but labeled with its name. But...

A claim construction that excludes the preferred embodiment (by asserting that the term "brewing chamber" means a fully-enclosed space in...

In a district court proceeding brought under 35 U.S.C. 145, the United States Patent and Trademark Office cannot recover the pro rata...

In a hypothetical combination of prior art references resulting from an obviousness analysis, inherency can supply a missing claim...

Where a claim has a preamble with the transitional phrase "comprising" and recites two Markush groups reciting “at least one...

Federal Circuit affirmed Board's determination that slight overlap between claimed range of "from about 10℃ to about 18℃" and prior art...

Federal Circuit does not have jurisdiction to review a challenge to a decision by the Patent Trial and Appeal Board (PTAB) where the...

35 U.S.C. 271(g), which prohibits importation into the U.S. or offer for sale, sale or use within the U.S. of a product made by a process...

The Patent Trial and Appeal Board's presumption of nexus between the patentee's product and the claim is erroneous where the patentee's...

District court did not err in finding a limitation inherently present in the prior art. Extrinsic evidence can be used to show what is...

A means-plus-function limitation is indefinite if the embodiment corresponding to this limitation needs to be incorporated by reference...

In a patent that describes a device and improved method for error detection in data transmission systems, a dependent claim recited a...

Interpreting the term "parison" to be limited to a plastic tube that is outside the extruder is correct. Thus, the claimed method...

Anticipation rejection is overcome because the recitation of “travel trailer” in the preamble served as antecedent basis for a term...

The specification's consistent description of "a passive infrared detector" that is superior to those in the prior art due to its...