8127345

7 known cases. View patent page →

Cases
7
Active
0
7 closed
Filed
2012
Top venue
D. Nebraska
5 cases

Prism Technologies LLC v. Sprint Spectrum L.P. d/b/a Sprint PCS

judgment; reversed on § 101; cert denied
Docket:
8:12-cv-00123-LES-TDT
Filed:
2012-04-04

Prism withdrew the '288 claims in March 2014. A June 2015 jury verdict found infringement of the '345 and '155 patents and awarded $30 million; the Federal Circuit affirmed, but later reversed on § 101, and the Supreme Court denied certiorari on 2019-06-10.

Prism Technologies LLC v. T-Mobile USA, Inc.

judgment; claims held ineligible
Docket:
8:12-cv-00124-LES-TDT

Prism withdrew the '288 claims in March 2014. The jury found non-infringement of the asserted '345 and '155 claims; post-trial motions were denied in 2016. The Federal Circuit reversed the district court's § 101 eligibility ruling and held the claims ineligible, and Prism's appeal was dismissed as moot.

Prism Technologies LLC v. United States Cellular Corporation d/b/a U.S. Cellular

dismissed with prejudice
Docket:
8:12-cv-00125
Filed:
2012-04-04
Terminated:
2019-07-18

Prism sued U.S. Cellular for patent infringement, and the case was amended to add the '155 patent. The case was stayed pending the Sprint and T-Mobile appeals, then dismissed with prejudice on July 18, 2019, with each party to bear its own costs.

Prism Technologies LLC v. Sprint Spectrum L.P.

affirmed; rehearing denied; later affirmed vacatur

Federal Circuit appeal from the Sprint district court case. The court affirmed denial of Sprint's post-trial motions (rehearing denied May 8, 2017), and later affirmed the district court's application of collateral estoppel to vacate the $30M Sprint judgment, 757 F. App'x 980 (Fed. Cir. 2019).