Allen T. Gilliland Trust et al. v. H&F MobileMedia Partners, LLC, et al.
In a case involving the wireless telecommunications industry, counsel for MobileMedia’s auditors retained Dr. Allan Kleidon, a senior vice president of Cornerstone Research, to analyze the plaintiffs’ decision to affirm…
Danis v. USN Communications, Inc., et al.
In a class action against USN Communications (USN), the plaintiffs alleged that the company’s misstatements and omissions had misled the investing public regarding, among other things, USN’s billing capabilities.
Auditor Liability Following Client Bankruptcy
Counsel for a large auditing firm retained Cornerstone Research in an action arising from the bankruptcy of one of the auditor’s clients.
Dencom Systems, Inc. v. Mitel, Inc., et al.
Dencom, a distributor of Mitel private branch exchange (PBX) telecommunications equipment, alleged that Mitel had engaged in predatory pricing and other anticompetitive business practices.
Sony Computer Entertainment, Inc. et al. v. Connectix Corporation
Counsel for Connectix retained Dr. Michael Keeley to analyze the economic issues in this copyright infringement case.
Level One Communications, Inc. v. SEEQ Technology, Inc.
Level One sued SEEQ, claiming infringement of two of its patents, and SEEQ countersued, asserting that Level One had infringed one of its patents.
MCI v. AT&T
MCI sued AT&T, claiming that certain AT&T patents covering intelligent network services were invalid.
Andersen Consulting v. Arthur Andersen and Andersen Worldwide
In an international arbitration, Cornerstone Research supported the claimants, the Andersen Consulting firms (Andersen Consulting), in their breach of contract claim against the Arthur Andersen firms (Arthur Andersen) and Andersen…
Copyright Infringement of Design of Cellular Telephone Retail Stores
An architectural firm filed a claim in arbitration against a wireless service provider for copyright infringement over its alleged use of certain architectural drawings in the design of the wireless…
Patent Infringement Matter Involving Internet Routing
A patentee, who never manufactured any products using its technology, alleged that certain routers and switches sold by a defendant infringed four patents involving optimization of telecommunications routing.
Verizon Services Corp. et al. v. Cox Fibernet Virginia, Inc., et al.
Verizon filed a patent infringement suit against Cox Communications (Cox) following a successful trial in a similar suit it filed against Vonage, an Internet-based VoIP telephony provider.
JDS Uniphase Corporation Securities Litigation
Counsel for JDS Uniphase (JDSU) and several former executives retained Cornerstone Research in this securities class action in which plaintiffs sought damages of approximately $20 billion due to claimed violations…
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