The Federal Circuit held that the patent exhaustion doctrine does not give a purchaser the right to use replicated copies of a self-replicating patented technology, and that conditional sales of patented seed prevent exhaustion from arising in the first place.
The Federal Circuit invalidated a key Lipitor patent claim because the dependent claim attempted to claim subject matter outside the scope of the independent claim it depended on, violating 35 U.S.C. § 112, paragraph 4.
The Federal Circuit held that the sale of a licensed device does not exhaust a patent holder’s method claims, ruling that purchasers of Intel chips who used them in unauthorized combinations remained liable for infringement of LG Electronics’ method patents — a holding the Supreme Court
The Federal Circuit affirmed that Agfa’s patents were unenforceable due to inequitable conduct based on intentional withholding of material prior art, and confirmed that inequitable conduct claims may be tried to the court without a jury.
The Federal Circuit held in a poxvirus vaccine interference that there is no per se rule requiring a patent applicant to recite known structural information in the written description — an applicant may rely on publicly available scientific literature for what is well-known in the field.
The Supreme Court unanimously held that courts must apply the traditional four-factor equitable test when deciding whether to grant a permanent injunction in a patent case, rejecting both a categorical rule granting injunctions to prevailing patentees and a categorical rule against injunctions for n
The Federal Circuit held that when a patent defendant asserts an advice-of-counsel defense to willful infringement, it waives attorney-client privilege for all communications about the patent’s validity, enforceability, and infringement — but the waiver does not automatically extend to all att
The Federal Circuit reversed a finding of anticipation, holding that a prior art reference disclosing a broad temperature range of 100–500°C did not anticipate a claimed narrower range of 330–450°C — a genus does not anticipate every species, and a broader prior art range anticipates a narrower clai
The Federal Circuit affirmed summary judgment of non-infringement, holding that a patent’s claim preamble is limiting when it recites essential structural elements of the claimed invention, and construed the asserted dental implant patent claims to require a complete emergence cuff and abutmen
The Supreme Court unanimously held that a patent does not by itself establish market power for antitrust tying purposes; plaintiffs must prove market power directly through evidence of the relevant market.