Doctrine of Equivalents

News & Analysis as of

Judge Abrams Dismisses Case Based on Arguments Made to the PTO During Prosecution

On August 9, 2016, District Judge Ronnie Abrams (S.D.N.Y.) granted defendant Richloom Fabrics Group, Inc.’s motion to dismiss plaintiff Anchor Sales & Marketing, Inc.’s allegation of patent infringement based on the doctrine...more

UPDATE Janssen v. HyClone: HyClone files a motion for injunctive relief to dismiss and to stay

As we previously reported, on June 17, Janssen filed two complaints alleging infringement of claims in U.S. Patent No. 7,598,083, one against Celltrion and Hospira, and one against HyClone Laboratories, Celltrion’s supplier...more

Interpreting Utility Patent Claims

Utility patents constitute about 90% of the patents in the United States. Design patents and plant patents, which are not discussed here, comprise the other 10%. Utility patents protect the functional aspects of a machine,...more

No Approval for Generic Product for Treatment of Rosacea **WEB ONLY**

Addressing infringement under the doctrine of equivalents and obviousness issues, the US Court of Appeals for the Federal Circuit affirmed the district court’s ruling barring approval of a generic version of Finacea® gel...more

Look to Specification to Interpret Facially Unclear Claims

Addressing claim construction issues, the US Court of Appeals for the Federal Circuit reiterated the necessity of reading claims in the context of the written description when they are not clear on their face. Howmedica...more

Federal Circuit Patent Updates - May 2016

Ruckus Wireless, Inc. v. Innovative Wireless Solutions (No. 2015-1425, 1438, 5/31/16) (Prost, Reyna, Stark) - May 31, 2016 3:11 PM - Reyna, J. Affirming summary judgment of non-infringement of patents based on...more

Consistent Usage and Disclaimer in Intrinsic Record Trump Anything in Extrinsic Record

In David Netzer Consulting Engineer LLC, v. Shell Oil Company, [2015-2086] (May 27, 2016), the Federal Circuit affirmed summary judgment of non-infringement of U.S. Patent 6,677,496 on a process for the coproduction of...more

CAFC Affirms Finacea Gel Infringement Under Doctrine of Equivalents

In Intendis GmbH v. Glenmark Pharmaceuticals Inc., USA, the Federal Circuit affirmed the district court decision that found infringement under the doctrine of equivalents. This case shows that the doctrine of equivalents...more

Intendis GmbH v. Glenmark Pharmaceuticals Inc., USA (Fed. Cir. 2016)

The Federal Circuit and the Supreme Court spent an inordinate amount of time wrestling with each of their conceptions of the scope and application of the doctrine of equivalents a dozen years ago, coming to an accommodation...more

Trademark Review | April 2016

Broad JAWS Registration Devours JAWS Cooking Channel - Mr. Recipe’s applications to register the marks JAWS and JAWS DEVOUR YOUR HUNGER were refused based on the earlier registration for JAWS, the movie. Mr. Recipe’s...more

Judge Rakoff Holds a 3-D “Magic Trick” Implemented With Software Is Not Equivalent to One Implemented With Hardware

On April 24, 2016, District Judge Jed S. Rakoff (S.D.N.Y.) ruled that defendants Nintendo Co., Ltd. and Nintendo of America, Inc.’s (collectively, “Nintendo”)’s 3DS pocket gaming console does not infringe Tomita Technologies...more

An Inflectra Update: Janssen Requests an Expedited Trial

As we reported last week, the U.S. Food and Drug Administration approved Celltrion's application to market Inflectra, a biosimilar to Janssen Biotech Inc.'s REMICADE (infliximab) anti-TNF-a antibody. On Tuesday, April 12,...more

A Substantially Pure Isomer Is Obvious in View of Both a Completely Pure Isomer and an Impure Mixture (Spectrum Pharmas. V. Sandoz...

Addressing an unusual twist on an obviousness case, the U.S. Court of Appeals for the Federal Circuit held a substantially pure isomer obvious in view prior art disclosing both a completely pure isomer and an impure mixture....more

New Life for Vitiation as a Defense to Doctrine of Equivalents Infringement

The doctrine of claim vitiation prevents application of the doctrine of equivalents in a way that would completely eliminate a claim element – i.e., renders the claim limitation inconsequential or ineffective. This doctrine...more

Federal Circuit Finds No "Way" To Support Doctrine Of Equivalents

In Akzo Nobel Coatings, Inc. v. Dow Chemical Co., the Federal Circuit upheld the district court’s grant of summary judgment of no infringement under the doctrine of equivalents because the patent holder had failed to...more

Unless Defined Beyond Ordinary Meaning, Narrow Terms Are Bounded by Their Ordinary Meaning - Advanced Steel Recovery, LLC v....

Addressing claim construction issues, the U.S. Court of Appeals for the Federal Circuit affirmed a district court’s summary judgment ruling, finding that the district court properly construed the disputed claim limitation...more

Treasury and U.S. Trade Representative Notify Congress of Intent to Initiate Negotiations on Covered Agreement With EU Regarding...

On Friday, November 20, 2015, the U.S. Department of the Treasury and the U.S. Trade Representative (USTR) notified the chairs of the U.S. House Financial Services Committee, House Ways and Means Committee, Senate Banking...more

Spectrum Pharmaceuticals Inc. v. Sandoz Inc. (Fed. Cir. 2015)

Last week the Federal Circuit affirmed a District Court's finding of invalidity and non-infringement in ANDA litigation between Spectrum Pharmaceuticals and Sandoz. In so doing, the Court deferred to the factual...more

Magistrate’s Recommendations On Validity And Noninfringement Are Adopted

Impulse Technology Ltd. v. Microsoft Corporation, et al., C.A. No 11-586 – RGA, September 22, 2015. Andrews, J. Magistrate’s Reports and Recommendations regarding denial of summary judgment of invalidity is adopted and...more

IP Newsflash - August 2015

DISTRICT COURT CASES - Humanized Antibody Not Found to Infringe Under DOE - A district court judge granted UCB, Inc.’s (plaintiff) motion for summary judgment that its Cimzia® product, a humanized monoclonal...more

Empowering Customers to Sell an Exonerated Accused Product - Speedtrack Inc. v. Office Depot, Inc.

In a decision that expands a customer’s right to defend itself under the Kessler doctrine, the Federal Circuit clarified that a customer is not subject to liability for a product that has already been cleared of patent...more

IP Newsflash - July 2015 #3

DISTRICT COURT CASES - Expert Witness’ Flawed Infringement Opinion Supports an Award of Attorneys’ Fees - Defendants Six Flags Theme Parks Inc. sought an award of attorneys’ fees under 35 U.S.C. § 285 against...more

Federal Circuit Reaffirms Kessler Doctrine As A Patent Infringement Defense For Customers

Applying a doctrine dating to Kessler v. Eldred, 206 U.S. 285 (1907), the U.S. Court of Appeals for the Federal Circuit recently ruled that when a patentee’s infringement action against the manufacturer of an accused product...more

Opportunity for Equivalents in Claim Amendments

It is commonly held that the doctrine of equivalents is lost when claim amendments are made during patent prosecution. That is, any claim amendment that is made during patent prosecution surrenders or gives up elements which...more

Use of “Antithesis” of Claim Element Does Not Bar Application of Doctrine of Equivalents - Cadence Pharms. Inc. v. Exela Pharma...

In a Hatch-Waxman case, the U.S. Court of Appeals for the Federal Circuit found that the use of a claimed step, characterized as the “antithesis” of a limitation in the asserted claim, nonetheless satisfied that limitation...more

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