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District Court Precludes New Substitute Witness for Failure to Timely Disclose

As trial approached in this patent infringement action, the plaintiff, 511 Innovations, Inc., filed a motion to exclude a witness at trial, Tim Benner from testifying at trial. The motion asserted that the defendant, Samsung,...more

District Court Refuses to Amend Protective Order to Permit Expert, Who Was Former Employee of Competitor, to Review Confidential...

In this patent infringement action, the defendant, High 5 Games ("High 5"), moved for an order overruling the plaintiff's, Konami Gaming, Inc. ("Konami"), objection to an expert witness viewing confidential information. In...more

District Court Excludes Damage Expert's Opinion Based On Faulty Royalty Calculation

In this patent infringement action between Finjan and Sophos, the district court had previously granted a motion to exclude Finjan's damage expert. The district court explained that the expert's, Layne-Farrar, "method of...more

EON v. Apple: District Court Permits Plaintiff to Present Technology Tutorial Through Expert Consultant Not Previously Designated

Apple filed an objection to EON's plan to present a technology tutorial through its expert consultant. Apple asserted that the consultant was not disclosed as an expert on whom EON intended to rely upon during claim...more

District Court Orders Production of Bills from Expert Witnesses But Permits Redaction of Narrative Statements in Bills

In this patent infringement action, the defendant, Ericsson moved to compel the plaintiff, TCL, to produce bills and invoices for worked performed by TCL's expert witnesses. TCL sought to redact the bills and invoices to...more

Experts Ordered to Produce Draft Reports Exchanged with Other Experts

In this patent infringement action, the plaintiff, BRP, alleged three counts of patent infringement against Arctic Cat concerning snowmobile frame construction and snowmobile rider positioning. BRP alleged patent infringement...more

District Court Strikes Portion of Damage Expert Report Where the Expert Relied Upon Surveys But Did Not Explain How They Related...

The defendants moved to exclude the expert report of Mr. Ratliff, asserting that he made critical errors in his expert report on damages. The defendants specifically alleged that Mr. Ratliff committed basic math and reasoning...more

Plaintiff Seeks to Substitute Damage Expert after Expert Retires

In this patent infringement action, the plaintiff sought to substitute its damage expert because its current damage expert had retired. The plaintiff also sought to withdraw the retired expert's damage report....more

WARF v. Apple: Motion to Exclude Live Witness Granted Where Apple Had Previously Sought to Rely Solely on Deposition Testimony

As the Wisconsin Alumni Research Foundation ("WARF") patent infringement case against Apple approached trial, Apple attempted to call a witness live that it had previously informed WARF's counsel would be called by...more

District Court Denies Motion to Exclude CEO from Providing Expert Testimony on Infringement

Defendant filed a motion to strike plaintiff's expert report on infringement, asserting that the report failed to comply with Fed.R.Civ.P. 26 because, among other things, the report did not constitute a written report under...more

Enovsys v. AT&T: Court Excludes Plaintiff's Damage Expert for Failure to Apportion and Sua Sponte Bifurcates Trial into Liability...

After the court struck plaintiff's damage expert's report for failing to tie damages to the limited feature of the patented invention, the court permitted the plaintiff to submit a supplemental expert report. Once the...more

District Court Excludes Plaintiff's Infringement Expert for Conflict of Interest

Mobile Telecommunications Technologies, LLC ("Mobile") filed a patent infringement action against LG Electronics Mobilecomm U.S.A. ("LG"). As trial approached, LG filed a motion to disqualify Mobile's infringement expert, Dr....more

District Court Excludes Prior Art References in Expert Report That Were Not Included in Invalidity Contentions

After the district court adopted a specialized scheduling order that was based on local patent rules in other districts, the plaintiffs served detailed infringement contentions and the defendant served detailed invalidity...more

Motion to Strike Expert Testimony Denied Even Though Expert Had Never Used Product and Examined Only Selected Pieces of Source...

In this patent infringement action, the defendant moved to exclude portions of the plaintiff's (Dr. Bambos') expert testimony. Defendant argued that Dr. Bambos lacks familiarity with the infringing products, relied too...more

Court Excludes Plaintiff's Experts Where Experts Failed to Comply with Rule 26 Disclosures

In this patent infringement action, the defendants, Hangzhou Langhong Technology Co., Ltd. and Langhong Technology USA Inc., moved to exclude the testimony of plaintiff's experts on infringement and damages. The district...more

Golden Bridge v. Apple: No Third Bite at the Apple as Damage Expert Excluded After Two Failed Reports and Where Trial Was Already...

Two weeks earlier, the court excluded the expert opinion and testimony of Plaintiff Golden Bridge Technology's ("GBT") damages expert. Nonetheless, the court gave GBT one week to submit a new report based on a new theory....more

Invalidity Expert Excluded Where Expert Failed to Conduct a Proper Written Description Analysis

Plaintiff Trading Technologies International, Inc. ("TT") moved to strike the invalidity expert report of the defendant, CQG. TT made two arguments its motion: " that Dr. Mellor failed to conduct a proper written description...more

Plaintiff Precluded from Using Deposition Testimony of Defense Expert Where Plaintiff Procured the Absence of the Expert

Novartis sought to use the deposition testimony of defendant's expert at trial under Fed.R.Civ.P. 32(a)(4)(B). As explained by the district court, "the Rule provides that a party may use the deposition of a witness for any...more

Infringement Expert Excluded Where Expert Did Nothing More Than Parrot Claim Language in Infringement Analysis

Plantronics, Inc. ("Plantronics") filed a patent infringement action against ALIPH, Inc. ("ALIPH"). After expert reports were submitted, ALIPH moved to exclude the expert report of Plantronics' infringement expert. At...more

Summary Judgment Motion Denied Where Expert's Opinion Established a Triable Issue of Fact on Infringement

Geotag, Inc ("Geotag") filed a patent infringement action against Frontier Communications Corp. ("Frontier"). Frontier filed a motion for summary judgment of non-infringement, arguing that no triable issue of material fact...more

Taser Takes Down Expert in Patent Infringement Action Where Electrical Engineer Was Not Qualified to Offer Expert Opinions on...

Taser International, Inc. ("Taser') proceeded to trial on its patent infringement action against Karbon Arms, LLC ("Karbon Arms"). After expert reports and with the trial approaching, Taser filed a motion to exclude the...more

Kimberly-Clark v. First Quality: District Court Excludes Expert Testimony on Obviousness for Failure to Include the Opinion on...

Kimberly-Clark Worldwide, Inc. ("Kimberly-Clark) filed a patent infringement action against First Quality Baby Products, LLC ("First Quality") over a variety of patents relating to disposable absorbent products, such as...more

Damage Expert Stricken without Leave to Amend after District Court Determines That Expert Over Reached by Using Entire Market...

As this patent infringement action moved closer to trial, the parties filed various motions in limine, including defendant Fortinet Inc.'s motion to strike the report and expert testimony of Network Protection Sciences, LLC's...more

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