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Approved: E-Signatures for CDA Claim Certifications Receive the ASBCA’s Stamp of Approval

Client Alert | 1 min read | 10.30.19

In URS Federal Services, Inc., ASBCA 61443 (October 3, 2019), the Armed Services Board of Contract Appeals addressed whether a contractor’s digital signature complied with the CDA’s claim certification requirements. The signature in question was electronically affixed to the claim document—along with a digital certificate—using software that required the signer to input a unique password and user identification before signing. The government argued that one “cannot trust the [digital] certificate to prove the identity of the person who applied it,” because there was no “suitable ID” to prove the signer’s identity. While noting that it had previously found typed but unsigned names to be insufficient, the Board rejected the government’s argument, because the digital signature was “discrete” and “verifiable” in accordance with the CDA’s requirements. The Board reasoned that “[n]o ink signature, on its face, includes any way for the reader to know who executed it unless that reader already possesses an intimate familiarity with the certifier’s handwriting” and declined to “impose draconian demands on digital signatures, not required to be met for their ink counterparts.” 


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Client Alert | 3 min read | 05.26.26

pH, Prosecution History Estoppel, and Patent Scope: Three Lessons from the Federal Circuit's Latest Hatch-Waxman Ruling

On May 13, 2026, the U.S. Court of Appeals for the Federal Circuit affirmed a district court judgment of no infringement in Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., No. 24-1641. The decision offers important guidance for patent holders and generic manufacturers on the role of industry standards in interpreting scientific terminology during claim construction, prosecution history estoppel, and the disclosure-dedication rule....