(November 12, 2015, 8:12 AM EST) -- MARSHALL, Texas — Four thermal insulation patents were deemed invalid and not infringed on Oct. 29 by a Texas federal jury (Promethean Insulation Technology LLC v. Reflectix Inc., No. 13-1113, E.D. Texas).

(Verdict available. Document #16-151116-005V. Complaint available. Document #16-151116-006C.)

In so concluding, jurors sided with defendant Reflectix Inc. following a four-day trial before U.S. Judge Rodney Gilstrap of the Eastern District of Texas.

Divisional, Continuation

At issue in the verdict are U.S. patent Nos. 7,935,410, 8,221,871, 8,327,601 and 7,935,411. The patents in suit are each...