Harris Corporation v. Ericsson Inc.

Harris patented a system for reducing interference in celluar transmissions using computer software. Ericsson made a new argument construing the construction of a means-plus-function claim limitation using a recent precedent. The C.A.F.C. held that waiver would not apply to arguments only slightly changed on appeal . The dissent held that the Ericsson's argument was a paradigm shift. See also,

• MP3: Harris Corporation v. Ericsson Inc. (Fed. Cir. 2005) (citations omitted)
• PDF: Harris Corporation v. Ericsson Inc. (Fed. Cir. 2005) (full text)
• IP-Updates: Computer-Implemented Means-Plus-Function Term Limited to Algorithm
• Patently-O: Federal Circuit Makes it Hard to Waive Claim Construction Arguments
• Patent Prospector: Waiver & Estoppel