The Federal Circuit reversed a narrow claim construction, holding that the claim term “reciprocating member” in an exercise equipment patent should be given its ordinary meaning encompassing multi-component and curved structures, not limited to the single straight bar depicted in the spe
In an en banc decision, the Federal Circuit held that subject matter disclosed in a patent specification but not claimed is dedicated to the public and cannot be recaptured through the doctrine of equivalents — patentees who fail to claim a disclosed alternative cannot later assert it as equivalent
The Federal Circuit held that the equitable doctrine of prosecution laches can bar enforcement of patent claims that issued after an unreasonable and unexplained multi-decade delay in patent prosecution — a landmark ruling against Jerome Lemelson’s famous ‘submarine patent’ strateg
The Federal Circuit affirmed patent infringement and damages for Bose, holding that a claim amendment made solely to satisfy a formal antecedent basis requirement — not to narrow the claim’s scope — does not trigger prosecution history estoppel and does not bar the doctrine of equivalents.
The Federal Circuit reversed a summary judgment of non-infringement in a modular conveyor belt patent case, holding that the district court improperly limited the claim term ‘portion’ to a narrow construction requiring physical separation, when the plain meaning of ‘portion’
The Federal Circuit held that the on-sale bar of 35 U.S.C. § 102(b) applies when an inventor contracts with a third-party supplier to mass-produce the invention commercially, rejecting any “supplier exception” to the statutory bar.
The Federal Circuit reversed a judgment of invalidity for lack of enablement, holding that a patent on a recombinant method for producing human growth hormone (hGH) was adequately enabled even though the process predominantly produced met-hGH (containing an extra methionine residue) rather than matu
The Federal Circuit vacated summary judgment and remanded for trial, holding that splitting a claimed unitary structure into two separate components may constitute infringement under the doctrine of equivalents even when the literal claim requirement for a single integrated piece is not met.
The Federal Circuit reversed a summary judgment of invalidity for indefiniteness, reaffirming that claims are sufficiently definite under § 112 if a person skilled in the art would understand the bounds of the claim when read in light of the specification — close questions of claim construction do n
The Federal Circuit held that refurbishing single-use cameras originally sold in the United States is permissible repair, not patent infringement, because patent rights are exhausted by the first authorized U.S. sale.
The Federal Circuit vacated summary judgment of non-infringement, holding that “point-of-sale location” in an e-commerce patent should not be limited to a traditional physical retail store and could include a consumer’s home when used as the end-point for electronic content deliver
The Federal Circuit held that the on-sale bar under 35 U.S.C. § 102(b) is triggered only by a communication that rises to the level of a commercial offer for sale under the Uniform Commercial Code, not by mere negotiations or demonstrations.
The Federal Circuit vacated summary judgment of non-infringement, holding that the district court improperly imported a structural limitation (a “ledge”) from the patent drawings into a broader claim term (“angular medial surface”), and clarified when a patentee’s pre-s
The Federal Circuit held that a key Eli Lilly patent covering the method of using fluoxetine (Prozac) was invalid for obviousness-type double patenting, opening the door for generic competition with the world’s best-selling antidepressant years ahead of schedule.
The Federal Circuit held that process patent infringement under § 271(g) requires the patent to be issued at the time the accused process is performed; pre-issuance use cannot infringe.
The Federal Circuit reversed summary judgment, holding that Intel’s cross-license from National Semiconductor did not extend to Intergraph’s Clipper processor patents, because those patents were directly assigned from Fairchild to Intergraph and never passed through National Semiconducto
The Federal Circuit vacated a preliminary injunction against Barnes & Noble’s one-click shopping feature, holding that Barnes & Noble raised substantial questions about the validity of Amazon’s one-click patent that precluded injunctive relief at the preliminary stage.
The Federal Circuit held that where a patent specification consistently and clearly defines the invention in terms of a specific structure, the claims are limited to that structure even if the claim language is broader.
The Federal Circuit sitting en banc adopted a sweeping complete-bar rule: any narrowing amendment made during prosecution to comply with the Patent Act creates an absolute estoppel that bars all claims of equivalence for the amended element — a rule later rejected by the Supreme Court in 2002.
The Federal Circuit held that a claim limitation that does not use the word “means” carries a strong presumption against means-plus-function treatment under § 112(6), and that even when that presumption is overcome, the limitation must still be construed in light of the specification to
The Federal Circuit invalidated OxyContin-related patent claims because the applicant added a specific plasma concentration ratio during prosecution that had not been disclosed in the original filing, violating the written description requirement of § 112.