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Amgen Files New Patent Infringement Suit Over Neupogen Biosimilar

On July 23, 2019, Amgen, maker of the cancer treatment drug Neupogen (filgrastim), filed patent infringement claims in the Southern District of California against Tanvex Biopharma over Tanvex’s proposed filgrastim biosimilar...more

Prosecution History Estoppel Bars Amgen’s Doctrine-of-Equivalents Infringement Claim Against Neulasta (Pegfilgrastim) Biosimilar...

Amgen Inc. v. Coherus Biosciences Inc., No. 2018-1993, Slip op. at 6 (Fed. Cir. July 29, 2019) stems from a Biologics Price Competition and Innovation Act action brought by Amgen against Coherus seeking FDA approval to market...more

Q2 2019 Review: Biosimilar IPRs See a Drop in New Filings and Mixed Results

At the end of 2017, inter partes review (IPR) proceedings for biosimilar products were on the rise. 2018 and the first half of 2019, however, have seen a dip in the number of new filings. And looking back at biosimilar IPRs...more

Federal Circuit Invalidates Polynucleotide-Labeling Claims for Lack of Enablement

In Enzo Life Sciences v. Roche Molecular Systems, No. 2017-2498, 2017-2499, 2017-2545, 2017-2546, Slip op. (Fed. Cir. July 5, 2019), the Federal Circuit affirmed summary judgment of invalidity for lack of enablement of Enzo’s...more

Lawmakers Release Framework for Section 101 Reform

On April 17, 2019, several lawmakers from the Senate and House of Representatives released a bipartisan, bicameral framework for statutory reform of 35 U.S.C. § 101....more

Federal Circuit Strikes Down Diagnostic Patent in Latest § 101 Decision

On February 6, 2019, the Federal Circuit issued its latest opinion on patentable subject matter under 35 U.S.C. § 101 in Athena Diagnostics, Inc. v. Mayo Collaborative Servs., LLC, No. 2017-2508, slip. Op. (Fed. Cir. Feb. 6,...more

Federal Circuit Dismisses Momenta IPR Appeal for Lack of Standing and Mootness After Momenta Abandons Orencia® Biosimilar

Last week, the Federal Circuit issued its long-awaited opinion in Momenta Pharmaceuticals, Inc. v. Bristol-Myers Squibb Co., No. 2017-1694, slip op. (Fed. Cir. Feb. 7, 2019). ...more

USPTO’s Revised Patent Eligibility Guidance Aims for Greater Clarity and Consistency

On January 7, 2019, the United States Patent and Trademark Office (USPTO) published new guidance for patent examiners intended to address concerns expressed by Federal Circuit judges, industry stakeholders, and others about...more

The 2019 U.S. Federal Government Shutdown and its Potential Impact on Biologics

On December 22, 2018, the United States federal government entered a partial shutdown, which now enters its 19th day. If the shutdown continues through the weekend, it will be the longest federal government shutdown in U.S....more

The Patent-Eligibility Question: Aatrix, Berkheimer and Beyond

Two cases decided by the Federal Circuit in 2018, Aatrix Software, Inc. v. Green Shades Software, Inc., 882 F.3d 1121, en banc rehearing denied, 890 F.3d 1354 and Berkheimer v. HP Inc., 881 F.3d 1360, en banc rehearing...more

Bill Requiring Disclosure of Biosimilar Settlement Agreements to the FTC and DOJ Becomes Law

Earlier this month, the President signed into law the Patient Right to Know Drug Prices Act (Public Law 115-263). The Act mainly focuses on eliminating so-called “gag clauses” that prevent pharmacists from telling patients...more

New Arguments in Momenta On Standing to Appeal IPR Loss Before Filing a Biosimilar Application

In Momenta Pharmaceuticals, Inc. v. Bristol-Myers Squibb Co., No. 17-1694 (Fed. Cir. argued Dec. 5, 2017), BMS challenges Momenta’s standing to appeal a PTAB decision upholding the validity of BMS’s patent relating to a...more

Sandoz Uses Patent Dance to Limit Humira® Biosimilar Lawsuit to Two Patents For Now

Earlier this month, AbbVie filed suit against Sandoz’s proposed biosimilar to AbbVie’s HUMIRA® (adalimumab). Invoking the Biosimilar Price Competition and Innovation Act (“BPCIA”), AbbVie asserts two patents protecting...more

FDA Approves Pfizer’s Biosimilar of Neupogen® as Amgen and Pfizer Litigate Patent Infringement

On July 20, 2018, FDA approved Pfizer’s biosimilar of Amgen’s Neupogen® (filgrastim). Pfizer’s product, Nivestym™, is the second biosimilar of Neupogen to be approved after Sandoz’s Zarxio®, the first approved biosimilar in...more

Federal Circuit Rejects Tribal Sovereign Immunity to IPRs

Allergan’s attempt to shield its Restasis patents from inter partes review by assigning the patents to the Saint Regis Mohawk Tribe was rejected last week by a unanimous Federal Circuit panel. The Federal Circuit affirmed...more

Supreme Court Reverses Federal Circuit, Holds Patent Owners May Recover Lost Foreign Profits

On Friday, June 22, 2018, the Supreme Court issued its decision in WesternGeco LLC v. ION Geophysical Corporation, 585 U.S. ___, Slip. Op. No. 16-1011 (June 22, 2018), reversing the Federal Circuit and holding that...more

FDA Withdraws Draft Guidance on Evaluating Analytical Similarity Following Industry Criticism

Analytical studies to demonstrate that a biosimilar is highly similar to its reference product are central to the biosimilar development and approval process. For this reason, there have been calls from industry for more...more

Commercial Division Finds Jurisdiction over Foreign Defendant on an Alter Ego Theory in Estate’s Action to Recover Painting...

In a decision issued last month in Gowen v. Helly Nahmad Gallery, Inc., No. 650646/2014, 2018 NY Slip Op 28142, 2018 BL 164601, Commercial Division Justice Eileen Bransten found personal jurisdiction over foreign defendants...more

First Decision on Label Carve-Outs for Biosimilars Expected in Enbrel Litigation

As biosimilar litigation between Amgen, the maker of Enbrel® (etanercept), and Sandoz, the maker of biosimilar ErelziTM (etanercept-szzs) heads toward trial before Judge Claire Cecchi in the District of New Jersey, Sandoz is...more

Federal Circuit Issues Two Decisions Impacting Standing to Challenge Validity of Pharma Patents

Two recent Federal Circuit decisions address when a party has standing to challenge the validity of a patent. Though the cases arose in different contexts, they both center on the question of what it means for a party to be...more

Fourth Circuit Rules that Maryland’s Anti-Price Gouging Act for Off-Patent or Generic Drugs is Unconstitutional

The U.S. Court of Appeals for the Fourth Circuit last month handed manufacturers and wholesalers of off-patent drugs a victory by ruling that Maryland’s anti-price gouging act violates the U.S. Constitution’s dormant commerce...more

PTAB and Bar Prepare for Aftermath of Supreme Court’s SAS Decision

In last week’s Oil States decision, the Supreme Court upheld the constitutionality of inter partes review (IPR) under the Leahy-Smith America Invents Act (AIA), as expected by most observers. However, it was the Court’s...more

Supreme Court Holds IPRs Are Constitutional

In a highly anticipated ruling, the Supreme Court upheld the constitutionality of inter partes review proceedings. Justice Thomas, writing for the seven-member majority in Oil States Energy Services, LLC v. Greene’s Energy...more

In WesternGeco v. ION Geophysical Corp., the Supreme Court Weighs the Availability of Foreign Damages for U.S. Patent Infringement

On Monday, April 16, 2018, the Supreme Court heard oral argument in WesternGeco LLC, v. ION Geophysical Corporation, No. 16-1011, a case with broad implications for patent holders that sell products abroad. ...more

Win or Go Home? Standing to Appeal PTAB Decisions Upholding Patentability to the Federal Circuit Before Submitting a Biosimilar...

Biosimilar developers have been aggressive in filing petitions for inter partes reviews (IPRs) of biologics patents before the Patent Trial and Appeal Board (PTAB), many of them preceding the filing of a marketing...more

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