1. Generics Bulletin
  2. >>Products
  3. >>Generics

Teva Fails To Sidestep Eight Of Nine QuilliChew ER Patent Claims

Ruling Marks Teva’s Third Failed US Patent Challenge In Two Months

 
• By Rosalind Rei

A proposed Teva Pharmaceutical generic would infringe on multiple patents for Tris Pharma’s QuilliChew ER, a New Jersey district court has ruled.

US flag gavel (Stocksnapper/Alamy Stock Photo)
Tris had sued Teva in 2020 • Source: Shutterstock (Alamy Stock Photo)

Teva has failed in its bid to circumvent several patents shielding Tris Pharma’s QuilliChew ER (methylphenidate) extended-release chewable tablets, closing the door on potential early generic entry.

Read the full article – start your free trial today!

Join thousands of industry professionals who rely on Generics Bulletin for daily insights

  • Start your 7-day free trial
  • Explore trusted news, analysis, and insights
  • Access comprehensive global coverage
  • Enjoy instant access – no credit card required
Start Free Trial

Already a subscriber?

More from Generics

Lupin Touts FDA Approval For Generic Tolvaptan With 180-Day Exclusivity

 
• By Urtė Fultinavičiūtė

After receiving a favorable court ruling last year, Lupin has secured its first-place spot for generic tolvaptan tablets in the US.

BGMA Becomes Medicines UK

 
• By Dave Wallace

The UK generics and biosimilars industry will now be represented by Medicines UK, the new name for the former British Generic Manufacturers Association.

UK Forxiga SPCs Wiped Out As Trio Succeed With Plausibility Attack

 
• By Dean Rudge

Generic competition to AstraZeneca’s blockbuster SGLT2 inhibitor Forxiga (dapagliflozin) treatment for diabetes may hit England and Wales earlier than 2028 after a pair of SPCs were invalidated following proceedings initiated by a trio of generics manufacturers.

Iconovo Slims Down As It Focuses On Commercialization

 
• By Dave Wallace

As its need for development resources declines, Iconovo is cutting staff to save money as it moves to the commercialization stage for its portfolio of off-patent inhaled products.

More from Products

J&J Denied Injunction Over Private-Label Ustekinumab In US

 
• By Dave Wallace

Stelara originator J&J has been denied in its initial attempt to prevent Samsung Bioepis and ustekinumab biosimilar partner Sandoz from selling a private-label version of the product through a PBM in the US.

UK Forxiga SPCs Wiped Out As Trio Succeed With Plausibility Attack

 
• By Dean Rudge

Generic competition to AstraZeneca’s blockbuster SGLT2 inhibitor Forxiga (dapagliflozin) treatment for diabetes may hit England and Wales earlier than 2028 after a pair of SPCs were invalidated following proceedings initiated by a trio of generics manufacturers.

What’s Next? Five Things To Look Out For In May

 
• By Dean Rudge

Generics Bulletin previews the most noteworthy and anticipated events for May 2025.