PLANTRONICS, INC. V. ALIPH, INC. And ALIPHCOM, INC
Patent attorneys beware how you respond to restriction requirements because your response may cause patent prosecution estoppel. PATENT ATTORNEY OVERVIEW In this case, Plantronics filed suit against Aliph and Alipcom (collectively “Aliph”) alleging that Aliph infringed on US Patent No. 5,712,453. The ‘453 patent is directed to concha-style headsets for transmitting received sounds to the [...]