CertainTeed Gypsum, Inc. v. Pacific Coast Building Products, Inc. et al

  1. November 23, 2021

    Calif. Judge Trims CertainTeed's IP Suit Against Pacific Coast

    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.

  2. February 14, 2019

    Sheppard Mullin Attys' Conduct Should Void IP, Pa. Co. Says

    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.