Indefiniteness Before the PTAB
Defining Indefiniteness: When Are Claim Limitations Contradictory? In Maxell, Ltd., v. Amperex Technology Limited, Appeal No. 23-1194, the Federal Circuit held that two claim limitations are not contradictory if they...more
The PTAB Cannot Approve or Deny Certificates of Correction - In Honeywell International, Inc. v. Arkema Inc., Arkema France, Appeal Nos. 2018-1151, -1153, the Patent Trial and Appeal Board (“Board”) does not have the...more
Mere Potential for Future Appeal Does Not Prevent Triggering Estoppel of Inter Partes Reexamination When Party Fails to Seek Relief in the First Instance - In Virnetx Inc. v. Apple Inc., Appeal Nos. 2017-1591, -1592,...more
Berkheimer v. HP Inc., Appeal No. 2017-1437 (Fed. Cir. Feb. 8, 2018) - In Berkheimer v. HP Inc., the Federal Circuit reviewed the District Court’s summary judgment finding that certain claims of a patent were invalid as...more