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Category Archives: The PIV Blog

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When is 13 not 13?

ParagraphFour.com Posted on April 9, 2024 by parryashfordMarch 31, 2024

Counting is one of the first things you learn as a child, sort of like this bunny counting carrots in his cart. While counting may seem relatively easy, sometimes it’s not so simple when interpreting patent claims. “pH of 13 or higher” To improve the product’s stability, the developers of Veletri®(epoprostenol) focused on its pH … Continue reading →

Late-listing Patents in a PIV Case

ParagraphFour.com Posted on February 28, 2024 by parryashfordJanuary 12, 2025

A curious PIV case surfaced at the end of October involving Lonsurf®(trifluridine and tipiracil) Tablets and its 9,943,537 patent. It reminds us of some similar behavior of Bristol-Myers from 20+ years ago which brought an aggressive response from the US Federal Trade Commission. On October 20, 2023, Taiho filed a PIV case against ANDA filer … Continue reading →

20 Years of ParagraphFour.com!

ParagraphFour.com Posted on January 24, 2024 by parryashfordDecember 31, 2023

We can’t let January go by without some personal fanfare. ParagraphFour.com has reached the 20 year mark! “Just put up a website.” The ParagraphFour.com journey started in the summer of 2003 when I had the idea to start researching PIV cases. At the time, legal cases were all over the place and hard to access. … Continue reading →

2023 in Review – Navigating the Rocky Terrain?

ParagraphFour.com Posted on January 4, 2024 by parryashfordDecember 31, 2023

This year’s Annual Review made me reflect on the Paragraph IV Market over the past years. We have reached a new plateau which indicates that the terrain is a bit rocky at this point for anyone participating. Consistently Fewer ANDA Filings The high-point of the PIV Market was 2015 which saw a record number of … Continue reading →

FTC Challenges 100+ Orange Book Patents

ParagraphFour.com Posted on December 5, 2023 by parryashfordDecember 2, 2023

On November 7, 2023, the Federal Trade Commission issued a Press Release targeting more than 100 patents currently listed in the Orange Book. The Press Release elevates its position that certain device-related patents are not appropriate for listing and demands their removal. 10 Companies Notified, Sort-of Over the past couple of months, FTC has notified … Continue reading →

Sandoz Hit with $39M Jury Verdict

ParagraphFour.com Posted on November 2, 2023 by parryashfordNovember 2, 2023

Like a salmon at the end of a buffet, decades-long PIV litigation over Latisse®(bimatoprost) Topical Solution came to a hard ending. PIV Litigation since 2010 Back in 2010, several generic companies showed an interest in the eyelash growth product Latisse®(bimatoprost). Allergan subsequently filed nearly 20 PIV cases against five ANDA filers. The Court of Appeals … Continue reading →

Whose ANDA is it?

ParagraphFour.com Posted on July 18, 2023 by parryashfordJuly 18, 2023

On July 14, 2023, Gilead filed two PIV cases in Delaware which were similar, yet curiously different. They both involve its $2B product Genvoya®(elvitegravir, cobicistat, emtricitabine, tenofovir) Tablets and one ANDA filed (ANDA 218575). The First Complaint Gilead filed its first Complaint against two defendants Apotex and MSN Laboratories over the 10,039,718 patent (# 1:2023cv00774). … Continue reading →

Diversity in ANDA Studies Questioned

ParagraphFour.com Posted on April 18, 2023 by parryashfordApril 18, 2023

Earlier this month, Vanda submitted a Citizen Petition asking FDA to revoke the approval of Teva’s ANDA product for Hetlioz®(tasimelteon) Capsules, the sleep disorder drug. Vanda also asks FDA to remove the Teva product from the market. This Petition comes after Vanda lost its PIV case in December which case is pending appeal. (Citizen Petition: … Continue reading →

2022 Ends with Cynical PIV Suit

ParagraphFour.com Posted on January 20, 2023 by parryashfordApril 18, 2023

As 2022 was drawing to a close, Vanda Pharmaceuticals filed a PIV case against Teva and Apotex. Often, English football commentators will describe a foul as “cynical” when the player commits a foul intentionally or out of anger at being beaten. This is an apt way to describe this PIV case over Hetlioz®(tasimelteon) Capsules. 2022 … Continue reading →

PIV Market Hits the Trench?

ParagraphFour.com Posted on November 29, 2022 by parryashfordNovember 22, 2022

At the end of October, the PIV Market saw a rather curious case emerge. Abbvie filed a PIV case against 9 ANDA filers in defense of Orilissa®(elagolix). All 9 filers filed their ANDAs on the NCE-1 date and are thus “first filers.” Does this case signal that the PIV Market has lost its steam, interest … Continue reading →

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