U.S. Patent No. 5,287,270

2 opinions in this collection construe or address U.S. Patent No. 5,287,270. View the patent on Google Patents.

• November 25, 2013 Fed. Cir. Centillion Data Systems v. Qwest Communications, No. 13-1084 (Fed. Cir. Nov. 25, 2013) Affirmed in Part
• January 20, 2011 Fed. Cir. Centillion Data Systems v. Qwest Communications International, No. 10-1110 (Fed. Cir. Jan. 20, 2011) Vacated & Remanded