News & Analysis as of

Hatch-Waxman Inter Partes Review (IPR) Proceeding FDA Approval

Venable LLP

Spotlight On: Biosimilar Litigations - June 2025

Venable LLP on

Biosimilar Litigations include litigations relating to biosimilar/follow-on products of CDER-listed reference products. Litigations between biosimilar applicants/manufacturers and reference product sponsors as well as...more

McDonnell Boehnen Hulbert & Berghoff LLP

Treprostinil Saga Continues

United Therapeutics Corp. (UTC) and Liquidia Technologies Inc. have been battling for close to a decade over their respective inhaled formulations of treprostinil (UTC's Tyvaso®, Liquidia's Yutrepia™) for treatment of...more

McDermott Will & Emery

ANDA Applicant Has Standing to Appeal IPR Decision, Even with Only Paragraph III Certification

The US Court of Appeals for the Federal Circuit found that a failed inter partes review (IPR) petitioner that maintained a Paragraph III certification had sufficient standing to appeal an adverse decision, but affirmed the...more

Foley & Lardner LLP

Orange Book Listing Creates Injury To Support Standing To Appeal IPR Decision

Foley & Lardner LLP on

Although “any person” except the owner can challenge a patent in an Inter Partes Review (IPR) proceeding, only those who satisfy the constitutional requirements for standing can appeal a decision of the USPTO Patent Trial and...more

Foley & Lardner LLP

The Hobson's Choice Of The Hatch-Waxman Integrity Act

Foley & Lardner LLP on

As we noted in this article on PTAB Trial Insights, Senator Hatch (R-UT) has introduced the Hatch-Waxman Integrity Act, which is intended to restore the brand-generic balance many say has been skewed by Inter Partes Review...more

WilmerHale

Stay Versus Stay: How Litigation Stays Pending IPRs Impact the 30-Month Regulatory Stay in Hatch-Waxman Litigation

WilmerHale on

Upon initiation of a patent infringement action between branded and generic pharmaceutical companies, the Hatch-Waxman Act (21 U.S.C. § 355(j)) provides for an automatic 30-month stay of Food and Drug Administration approval...more

McDonnell Boehnen Hulbert & Berghoff LLP

101 Patient Organizations Ask Congress to Curb IPR Abuse

Last month, in a letter to the Senate and House Committees on the Judiciary, 101 patient organizations expressed "concern[] that, as currently written, H.R. 9 [the Innovation Act] falls short of preserving important patent...more

McDonnell Boehnen Hulbert & Berghoff LLP

Representatives Seek Protections for Hatch-Waxman and BPCIA in Innovation Act

Last month, in a letter to Congressional leadership, 79 Members of Congress expressed their support for the Innovation Act (H.R. 9) but sought inclusion of language in the bill "to preserve the integrity of the Drug Price...more

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