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October 28, 2011
Callertone Innovations LLC v. Alltel Corporation
Case Number:
1:11-cv-01033
Court:
Nature of Suit:
Judge:
Firms
View recent docket activity
Reflects complaints, answers, motions, orders and trial notes entered from Jan. 1, 2011.
Additional or older documents may be available in Pacer.
Coverage
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October 28, 2011
Verizon, Others Violate Ringback Tone Patents: Suits
Verizon Communications Inc., T-Mobile USA Inc. and other cellphone service providers were accused Friday in Delaware federal court of infringing two Callertone Innovations LLC patents for ringback tones.
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