Plaintiff

Prism Technologies LLC

9 cases as plaintiff.

Cases
9
Active
0
9 closed
Filed
2008–2012
Top venue
D. Nebraska
7 cases

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Filing activity

2008: 1 case'08'092010: 1 case'10'112012: 3 cases3'12
Cases filed per year with Prism Technologies LLC as plaintiff.

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. 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. Adobe Systems Inc. et al.

judgment (non-infringement)
Docket:
8:10-cv-00220-LES-TDT
Filed:
2010-06-08
Terminated:
2012-12-10
Patents:7290288

Prism asserted the '288 patent only. After two Markman rounds, the court entered final judgment on 2012-12-10 granting summary judgment of non-infringement for McAfee, Symantec, and Trend Micro; Mathworks was dismissed with prejudice, and invalidity counterclaims were dismissed.

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. 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).