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Evidence Patent Infringement

Jones Day

Secondary Considerations Arguments Precluded By Prior Nexus Testimony

Jones Day on

On June 6, 2024, the PTAB issued a Final Written Decision concluding claims 1-6 of U.S. Patent No. 8,899,655 B1 (“the ’655 patent”) unpatentable. Yita LLC v. MacNeil IP LLC, IPR2023-00172, Paper 70 (PTAB Jun. 6, 2024)...more

Akin Gump Strauss Hauer & Feld LLP

Jury Verdict Overturned Based on Insufficient Evidence of Infringement

The District of Delaware granted-in-part Shopify’s motion for judgment as a matter of law, or alternatively a new trial, citing gaps in the evidentiary record resulting in an insufficient basis for the jury verdict of...more

Wolf, Greenfield & Sacks, P.C.

Sued: What In-house Counsel Without Litigation Experience Need to Know - Preparing Your Inside Team

3: Preparing Your Inside Team - Preservation, Privilege, Potential Pitfalls -This is the third in a series of articles that explores considerations and suggested actions for in-house counsel who are inexperienced in patent...more

Association of Certified E-Discovery...

How Delaying Third Party Discovery Can End Up Costing You Dearly

[Editor’s Note: This article has been republished with permission. It was originally published January 18, 2024 on the eDiscovery Assistant Blog] In Episode 129 of Case of the Week, Kelly Twigger of eDiscovery Assistant...more

Sheppard Mullin Richter & Hampton LLP

The Importance of Reasonable Particularity in a Doctrine of Equivalents Argument

In VLSI Technology LLC v. Intel Corporation, No. 22-1906 (Fed. Cir. 2023), VLSI sued Intel for infringement of U.S. Patent Nos. 7,523,373 (the “’373 patent”) and U.S. Patent No. 7,725,759 (the “’759 patent”). After a jury...more

Linda Liu & Partners

Solve the dilemma in presenting evidence by applying to the court for collecting evidence and issuing an order to produce...

Linda Liu & Partners on

Judgment Gist - In a civil intellectual property lawsuit, if the applicant applies to the court to order the other party to produce documentary evidence, it should clarify the factum probandum in its claims. When...more

Locke Lord LLP

How Much Claim Construction ‎Significance? – Extrinsic Evidence and Significant Figures

Locke Lord LLP on

In almost every claim construction, the courts make their claim construction ruling largely based on the intrinsic evidence – the claims, specification and prosecution history. However, the Federal Circuit (CAFC) bucked this...more

Sheppard Mullin Richter & Hampton LLP

Cyntec Company, Ltd. v. Chilisin Electronics Corp., Chilisin America Ltd. Nos. 2022-1873, (Fed. Cir. October 16, 2023)

This case is primarily about the Daubert standard as applied to expert testimony on damages. The Federal Circuit reversed the Northern District of California’s admission of expert testimony on damages, which relied on...more

IMS Legal Strategies

[Webinar] The Art of Teaching Complex Technology in Patent Litigation - October 5th, 12:00 pm - 1:00 pm ET

IMS Legal Strategies on

No matter how complex or arcane the technology in a patent dispute might be, there is always a way to simplify it. Everything can be distilled down into clear, concise, and accurate explanations that judges, juries, and other...more

American Conference Institute (ACI)

[Event] 21st Annual Life Sciences IP Summit - September 27th - 28th, Munich, Germany

Hosted by C5 Group, the 21st Annual Life Sciences IP Summit returns for another exciting year with curated programming with speakers from the pharma, biotech and medical device industries that will provide practical insights...more

Knobbe Martens

Low-Bar for Corroboration

Knobbe Martens on

MEDTRONIC, INC. v. TELEFLEX INNOVATIONS S.A.R.L. Before Moore, Lourie, and Dyk. Appeal from the Patent Trial and Appeal Board - Summary: Federal Circuit confirms low bar for evidence corroborating prior inventorship...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Federal Circuit Appeals from the PTAB and ITC: Summaries of Key 2022 Decisions

As part of the recovery from the global COVID-19 pandemic, the U.S. Court of Appeals for the Federal Circuit took steps to return to normal operations. It began requiring live oral arguments in August 2022 and, by November,...more

Linda Liu & Partners

Application of Obstruction of Evidence Production Rule in Patent Infringement Disputes (II)

Linda Liu & Partners on

III. Application of Obstruction of Evidence Production Rule in Patent Infringement Judgment - In the practice of patent infringement disputes, especially the infringement cases involving manufacturing equipment and BtoB...more

Linda Liu & Partners

Application of Obstruction of Evidence Production Rule in Patent Infringement Disputes (I)

Linda Liu & Partners on

Forward - In order to strengthen the protection of patent rights and try to solve the problems of "long cycle, difficult evidence production and low compensation", the cases of applying the obstruction of evidence...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2022

Treehouse Avatar LLC v. Valve Corp., Appeal No. 2022-1171 (Fed. Cir. Nov. 30, 2022) - In the only precedential patent opinion issued by the Federal Circuit this week, the Court affirmed a district court’s summary judgment...more

Haug Partners LLP

Foresight in Patent Litigation: How Adherence to Local Rules Can Make or Break a Case

Haug Partners LLP on

On September 7, 2022, the Court of Appeals for the Federal Circuit issued a precedential opinion in Arendi S.A.R.L v. LG Electronics, Inc., offering an important reminder to patent litigators of the necessity of following the...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2022

INVT SPE LLC v. Int’l Trade Comm’n, Appeal No. 2020-1903 (Fed. Cir. Aug. 31, 2022) - In its only precedential patent case last week, the Federal Circuit issued a lengthy opinion that revolved around claims that are drawn...more

Knobbe Martens

Expert Testimony That Contradicts Patent Specification Fails to Create a Genuine Issue of Fact in a Patent Eligibility Dispute

Knobbe Martens on

CAREDX, INC. V. NATERA, INC. Before Lourie, Bryson, and Hughes - Summary: Expert testimony that steps of challenged patent claims were unconventional failed to preclude summary judgment of ineligibility where...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights Newsletter: May 2022: Blending Butane Brings Contract Law to 35 U.S.C. § 102's On-Sale Bar and...

As post grant review allows for on sale bar assertions, and thus experimental use defenses, we wanted to highlight a recent case addressing these issues. Sunoco sued Venture and U.S. Oil Co. for infringement of U.S. Patent...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

PTAB Strategies and Insights Newsletter: May 2022

The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more

Linda Liu & Partners

Evidence Preparation for Prior Use Defense in Infringement Dispute

Linda Liu & Partners on

Guangzhou Intellectual Property Court has recently made first-instance judgment on an infringement case over 2 patents for invention of zippers where we served as the agent of the plaintiff YKK Co. Ltd. and concluded that the...more

Linda Liu & Partners

The Standards of Proof of the “Original Scope” in the Prior-Use-Right Defense

Linda Liu & Partners on

According to the relevant provisions of the Patent Law of the People's Republic of China, if the same product has been manufactured, the same method has been used, or the necessary preparations have been made for...more

Knobbe Martens

Sounding Off: Prosecution Disclaimer Requires Unambiguous Intrinsic Evidence

Knobbe Martens on

GENUINE ENABLING TECHNOLOGY LLC V. NINTENDO CO., LTD - Before Newman, Reyna, and Stoll. Appeal from the Western District of Washington. Summary: A finding of prosecution disclaimer must be supported by an unambiguous...more

Linda Liu & Partners

Things You Need to Know Before Sending a Warning Letter in China

Linda Liu & Partners on

If you believe that someone is infringing on your patent right in China, you may be angry and unable to refrain from sending him a warning letter(C&D letter) demanding him to stop the infringement. Sending a warning...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

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