News & Analysis as of

Patent Validity Expert Testimony

BakerHostetler

Patent Experts: No Ordinary Skill in the Art at the Time of Invention? No Problem!

BakerHostetler on

The hypothetical person with ordinary skill in the art will have a certain amount of requisite experience in the subject matter of the patent at the time of the invention of the patent....more

Akin Gump Strauss Hauer & Feld LLP

District Court Precludes Experienced Patent Attorney from Testifying as Expert Based on Lack of Pertinent Technical Expertise

A district court recently precluded a patent attorney from testifying as an expert in a patent infringement lawsuit where the proposed expert lacked the requisite technical expertise to assist the trier of fact in...more

McDermott Will & Emery

Breaking Up Is Hard to Do: Validity Upheld Based on Expert Separation Testimony

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a district court decision finding that two patents covering enantiomerically pure compositions of the psoriasis drug Otezla® (apremilast) were valid and one patent...more

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

PTAB Strategies and Insights: January 2022 - Federal Circuit Holds that Your Technical Expert Must be a POSA

In Kyocera Senco Industrial Tools Inc. v. International Trade Commission, the Federal Circuit held in a precedential opinion that expert witnesses must at least have ordinary skill in the art. Because Kyocera’s expert did not...more

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

PTAB Strategies and Insights: January 2022 - Does the Limit Exist?: Negative Limitations in Novartis v. Accord

In an appeal, Novartis Pharmaceuticals v. Accord Healthcare, Inc., the issue of whether a patent provides sufficient written description of a negative limitation split the panel at the Federal Circuit. Novartis...more

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

PTAB Strategies and Insights: January 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

Morgan Lewis

PTAB Emphasizes Expert Availability and Clarifies Fintiv Inquiry for Prior District Court Cases

Morgan Lewis on

The US Patent Trial and Appeal Board on December 23, 2021, instituted an inter partes review even though an unrelated party had already unsuccessfully challenged the validity of the patent in district court. In the decision...more

Mintz - Intellectual Property Viewpoints

Patent Owner Tip #4 For Surviving An Instituted IPR: Take the Time to Use Your Expert as an Expert

The expert declaration provides a unique opportunity for Patent Owners to bolster their case during the discovery period of an inter partes review (“IPR”) proceeding. We previously detailed how to effectively use an expert...more

Goodwin

The PTAB Trial Tracker

Goodwin on

The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more

Sunstein LLP

FanDuel Learns the Hard Way: An IPR Challenge to Any Patent Claim May be Lost if Not Comprehensive and Rigorous Enough

Sunstein LLP on

As we demonstrated in our own successful appeal, Arendi S.A.R.L. v. Apple Inc. (Fed. Cir. 2016), a petition for inter partes review (“IPR”) may fail when an expert declaration lacks detailed explanation. An expert’s...more

Mintz - Intellectual Property Viewpoints

Filling the Hole with Common Sense: When Evidentiary Support is Adequate

The Federal Circuit recently reaffirmed a case where common sense was used to supply a missing element in a § 103 obviousness analysis. On June 26, 2020, the Federal Circuit issued a decision in B/E Aerospace, Inc. v. C&D...more

Akin Gump Strauss Hauer & Feld LLP

Only an Expert Can Offer Opinions on Obviousness

In a precedential decision in HVLPO2, LLC v. Oxygen Frog, LLC, the Federal Circuit held that non-expert testimony on obviousness is inadmissible, further finding that the district court abused its discretion by allowing a lay...more

Fenwick & West LLP

How Do I Avoid Indefiniteness with No Intrinsic Record Support?

Fenwick & West LLP on

In Kaneka Corporation v. Zhejiang Medicine, the U.S. District Court for the Central District of California held that expert testimony alone was sufficient to avoid summary judgment of indefiniteness under 35 U.S.C. § 112 ¶ 2,...more

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

Federal Circuit Appeals from the PTAB: Summaries of Key 2017 Decisions

In 2016, the US Court of Appeals for the Federal Circuit docketed more appeals from the US Patent and Trademark Office (PTO) than any other venue—a first in its over 30-year history. The post grant proceedings created by the...more

Knobbe Martens

Exmark Manufacturing Company v. Briggs & Stratton Power

Knobbe Martens on

Federal Circuit Summaries - Before Wallach, Chen, and Stoll. Appeal from the United States District Court for the District of Nebraska. Summary: Reexaminations of patents confirming validity are not dispositive of...more

McDermott Will & Emery

The Use of Expert Opinions in ‘Reverse-Payment’ Settlement Cases Under Actavis - King Drug Company of Florence, Inc., et al. v....

McDermott Will & Emery on

Applying its previous rulings in related litigation and interpreting FTC v. Actavis, 570 U.S. 756 (2013), the U.S. District Court for the Eastern District of Pennsylvania was tasked with determining whether to preclude expert...more

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