PTO Disarms P&G Head & Shoulders Patent Claims After Unilever Challenge
This article was originally published in The Tan Sheet
Executive Summary
A PTO appeals board finds two patents crucial to market-leading sales of P&Gs Head & Shoulder shampoo largely are “unpatentable” because a similar product was available when they were filed. Unilever petitioned for a review of the patents as the firm finds new angles in its ongoing patent battle with P&G.