1. Pink Sheet
  2. >>Biosimilars & Generics
  3. >>Generics

Generic Exclusivity Suit Says US FDA Can’t Deny Prize If It Asks For Extra Data

 
• By Sue Sutter

Amneal’s Namenda XR lawsuit asserts FDA’s determination that it forfeited 180-day marketing exclusivity on memantine extended-release generics ignores delays resulting from agency’s unexpected request for data from commercial-size lots.

A lawsuit over generic versions of Allergan PLC’s Alzheimer’s drug Namenda XR (memantine extended-release) is challenging how FDA determines whether an abbreviated new drug application (ANDA) sponsor has forfeited generic marketing exclusivity.

In a Jan. 27 complaint, Amneal Pharmaceuticals LLC asks the US District Court for the District of...

Read the full article – start your free trial today!

Join thousands of industry professionals who rely on Pink Sheet 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

Aurobindo, MSN Fail To Beat US Nuplazid Patent Expiring In August 2038

 
• By Dean Rudge

Acadia’s Nuplazid for hallucinations and delusions associated with Parkinson’s disease psychosis appears safe from generic competition until well into the next decade, following a favorable infringement and validity decision by a US district court.

US FDA Legislative Lead Calls For User Fee Reforms As Renewal Talks Near

 
• By Sarah Karlin-Smith

Deputy FDA Commissioner Grace Graham acknowledged the importance of user fees, while also calling for restructuring. She also said part of MAHA's mission is to reexamine uses of drugs not supported by data.

Pharma Industry Argues Tax, Other Incentives Better Than Tariffs

 
• By Jessica Merrill

Pharmaceutical industry organizations offered alternatives to tariffs that could maintain a secure domestic supply chain in public comments filed in response to a federal 232 investigation.

US FDA Guidance Roadblock: Writing Continues, But Publication Has Slowed Or Stopped

 
• By Derrick Gingery

Cuts to the FDA’s policy and legal personnel have prevented dozens of product-specific guidances for generic drug development from being published.

More from Biosimilars & Generics

Pharma Industry Argues Tax, Other Incentives Better Than Tariffs

 
• By Jessica Merrill

Pharmaceutical industry organizations offered alternatives to tariffs that could maintain a secure domestic supply chain in public comments filed in response to a federal 232 investigation.

US FDA Guidance Roadblock: Writing Continues, But Publication Has Slowed Or Stopped

 
• By Derrick Gingery

Cuts to the FDA’s policy and legal personnel have prevented dozens of product-specific guidances for generic drug development from being published.

Viatris Agrees To $335m Opioid Settlement Ending US State, Local Government Cases

 
• By Dean Rudge

Viatris joined Hikma and Amneal, in signing agreements for cash settlements that resolve allegations its practices fueled the US’ deadly opioid epidemic.