Riach

A claim-construction/summary-judgment opinion dated September 25, 2001, captioned Riach v. Studi, referencing defendant Manhattan Design Studio. US Patent 5,389,981 (the '981 Patent) was asserted; the court held that the whereby clause in Claim 1 was an essential limitation because Riach argued health benefits during prosecution. The narrative could not confirm the case number, jurisdiction, filing date, or final disposition.