November 23, 2021
A California federal judge has dismissed part of CertainTeed Gypsum Inc.'s amended suit against Pacific Coast Building Products Inc. seeking a declaration that two of Pacific Coast's wallboard patents are unenforceable due to inequitable conduct, saying the allegations aren't specific enough.
February 14, 2019
Inequitable conduct by a California-based company and its attorneys at Sheppard Mullin should lead a California federal court to toss two of its patents covering wallboards, a Pennsylvania-based building materials company contended Thursday.