News & Analysis as of

Prior Art Patents Abbreviated New Drug Application (ANDA)

Mintz - Intellectual Property Viewpoints

Federal Circuit Affirms Obviousness of Rifaximin Polymorph Patents and Denial of Motion to Modify Judgment After Post-Trial...

In a precedential opinion issued on April 11, 2024 in Salix Pharmaceuticals, Ltd. v. Norwich Pharmaceuticals Inc., Nos. 22-2153, 23-1952, the U.S. Court of Appeals for the Federal Circuit affirmed the U.S. District Court for...more

Sheppard Mullin Richter & Hampton LLP

Amgen Inc. v. Sandoz Inc, No. 2022-1147 (Fed. Cir. Apr. 19, 2023)

This case is an appellate review of the district court’s findings regarding patent obviousness and priority date. Background Amgen produces and markets apremilast, a medication for the treatment of certain types of psoriasis...more

Foley & Lardner LLP

Federal Circuit Considers Patentability of Overlapping Ranges

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In UCB Inc. v. Actavis Laboratories UT Inc., the Federal Circuit affirmed the district court’s judgement of invalidity on obviousness grounds but reversed the finding of anticipation. In reaching its decision on anticipation,...more

McDermott Will & Emery

ANDA Filing Alone Insufficient for Induced Infringement of Method Patent

The US Court of Appeals for the Federal Circuit upheld a district court’s findings of invalidity and noninfringement in a Hatch-Waxman case involving two sets of method patents directed to modulating dosages of pirfenidone, a...more

Robins Kaplan LLP

Vifor Fresenius Medical Care Renal Pharma Ltd. v. Teva Pharms. USA, Inc.

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Case Name: Vifor Fresenius Medical Care Renal Pharma Ltd. v. Teva Pharms. USA, Inc., Civ. No. 18-390 (MN), 2022 WL 3562555 (D. Del. Aug. 18, 2022) (Noreika, J.) Drug Product and Patent(s)-in-Suit: Velphoro® (sucroferric...more

Dechert LLP

Finding MDL Ground in Venue for Hatch-Waxman Cases

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When there are multiple ANDA filers for the same drug, it may not be possible for a branded pharmaceutical company to bring Hatch-Waxman Act patent infringement suits against all of them in the same court consistent with the...more

Fitch, Even, Tabin & Flannery LLP

Rehearing Reverses Earlier Federal Circuit Decision Finding Silence Supported Negative Claim Limitation

On June 21, in Novartis Pharmaceuticals Corporation v. Accord Healthcare, Inc., a reshuffled Federal Circuit panel reversed course on rehearing to find that a negative claim limitation was not supported by silence in the...more

McDonnell Boehnen Hulbert & Berghoff LLP

Adapt Pharma Operations Ltd. v. Teva Pharmaceuticals USA, Inc. (Fed. Cir. 2022)

In a crowded pharmaceutical art, the deficiencies thereof being so patent that the FDA encouraged industry to address and correct them, concerning a formulation developed to address the opioid crisis raging earlier in this...more

McDermott Will & Emery

Long-Felt Need Not Felt Long Enough to Overcome Obviousness

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The US Court of Appeals for the Federal Circuit upheld a finding that patents covering Narcan, a naloxone-based intranasal opioid overdose treatment, were obvious despite evidence of long-felt need. Adapt Pharma Operations...more

Robins Kaplan LLP

Janssen Pharms., Inc. v. Teva Pharms. USA, Inc.

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Case Name: Janssen Pharms., Inc. v. Teva Pharms. USA, Inc., No. 18-cv-734, 2021 WL 5323737 (D.N.J. Nov. 16, 2021) (Cecchi, J.)  Drug Product and Patent(s)-in-Suit: Invega Sustenna® (paliperidone palmitate); U.S. Patent No....more

Fitch, Even, Tabin & Flannery LLP

Expert Testimony May Establish Written Description Support for Negative Claim Limitation

On January 3, in Novartis Pharmaceuticals Corporation v. Accord Healthcare, Inc., the Federal Circuit found written description support for a negative claim limitation, even though the negative claim limitation did not have...more

McDonnell Boehnen Hulbert & Berghoff LLP

Novartis Pharmaceuticals Corp. v. Accord Healthcare, Inc. (Fed. Cir. 2022)

When does the absence of evidence turn into evidence of absence, and when does such absence amount to an adequate written description of the absence of a step of a method claim?  This is a question that comes readily to mind...more

McDonnell Boehnen Hulbert & Berghoff LLP

Teva Pharmaceuticals USA, Inc. v. Corcept Therapeutics, Inc. (Fed. Cir. 2021)

There are some cases where the Federal Circuit makes its decision based on the eternal verities of patent law (insofar as there are any eternal verities in patent law).  One such decision arose earlier this month when the...more

McDonnell Boehnen Hulbert & Berghoff LLP

Horizon Medicines LLC v. Alkem Laboratories Ltd. (Fed. Cir. 2021)

Joint inventorship has been called "one of the muddiest concepts in the muddy metaphysics of patent law" because the "exact parameters of what constitutes joint inventorship are quite difficult to define." Mueller Brass Co....more

Robins Kaplan LLP

Auxilium Pharms., Inc. v. FCB I LLC

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Case Name: Auxilium Pharms., Inc. v. FCB I LLC, Civ. No. 20-16456, 2021 WL 2802537 (D.N.J. July 6, 2021) (Vazquez, J.) - Drug Product and Patent(s)-in-Suit: Testim® (testosterone gel); U.S. Patents Nos. 7,320,968 (“the ’968...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - November 2021

University of Strathclyde v. Clear-Vu Lighting LLC, Appeal No. 2021-2243 (Fed. Cir. Nov. 4, 2021) - In this week’s Case of the Week, the Federal Circuit reversed an inter partes review decision finding claims directed to...more

McDonnell Boehnen Hulbert & Berghoff LLP

Belcher Pharmaceuticals, LLC v. Hospira, Inc. (Fed. Cir. 2021)

Imposition of liability under the equitable doctrine of inequitable conduct (as it has been variously defined) can result in a patent being held unenforceable; for this reason, former Chief Judge Rader called it the "atomic...more

Kilpatrick

Federal Circuit Reaffirms That There Is No ‘Reasonable Expectation Of Success’ In Trying To Invalidate A Chemical Compound Claim...

Kilpatrick on

The Federal Circuit (in an unpublished opinion) recently reaffirmed the difficulty generic challengers face when trying to establish chemical structural obviousness to invalidate a drug compound patent claim. This recent...more

McDonnell Boehnen Hulbert & Berghoff LLP

Takeda Pharmaceutical Co. v. Torrent Pharmaceuticals Ltd. (Fed. Cir. 2021)

In a terse, non-precedential opinion, the Federal Circuit affirmed a district court's judgment that Defendants Torrent Pharmaceuticals and Indoco Remedies Ltd. had failed to prove that the claims asserted by...more

McDonnell Boehnen Hulbert & Berghoff LLP

Bracco Diagnostics Inc. v. Maia Pharmaceuticals, Inc. (Fed. Cir. 2020)

Stipulating to infringement after a contrary claim construction is a conventional stratagem for a losing party to have a final judgment that can be challenged before the Federal Circuit.  The risk of course, is that if the...more

Robins Kaplan LLP

Valeant Pharms Int’l, Inc. v. Mylan Pharms Inc.

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BECAUSE THE PRIOR ART TAUGHT OVERLAPPING PH RANGES AND STRUCTURALLY SIMILAR COMPOUNDS AS THOSE CLAIMED IN THE PATENT-IN-SUIT, THE FEDERAL CIRCUIT REVERSED SUMMARY JUDGMENT OF NON-OBVIOUSNESS. Case Name: Valeant Pharms...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - January 2020

PATENT CASE OF THE WEEK - Amgen Inc. v. Amneal Pharmaceuticals LLC, et al., Appeal Nos. 2018-2414, et al. (Fed. Cir. Jan. 7, 2020) - In this appeal from Markman and summary judgment opinions by the district court in a...more

Bradley Arant Boult Cummings LLP

A Federal Circuit Prescription to Take Away the Pain for Generics - Intellectual Property News

The Federal Circuit recently reversed a lower court’s ruling of validity under the § 112 written description requirement effectively opening the door for a number of generic drug manufacturers to enter the market with a...more

McDonnell Boehnen Hulbert & Berghoff LLP

Nuvo Pharmaceuticals (Ireland) Designated Activity Co. v. Dr. Reddy's Laboratories Inc. (Fed. Cir. 2019)

There are provisions and interpretations of U.S. patent law that can be in tension depending on the circumstances under which they are argued, whether before an Examiner or during litigation.  One of these is the dichotomy...more

Robins Kaplan LLP

Tris Pharma Inc. v. Actavis Labs. Fl, Inc.

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Case Name: Tris Pharma Inc. v. Actavis Labs. Fl, Inc., Fed. Cir. Nos. 2017-2557, -2559, -2560, 2018 U.S. App. LEXIS 32774 (Fed. Cir. Nov. 20, 2018) (Circuit Judges Newman, O’Malley, and Chen presiding; Opinion by Chen, J.)...more

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