Account

Sign in to access your account and subscription

The Paxil Case: Composition of Matter Claims, Polymorphs and 'Follow-on' Patents

The growth of the pharmaceutical industry over the past 20 years has been driven by the R&amp;D investment in discovering new compounds, which can be protected by composition of matter patent claims. There are notable exceptions to this rule, <i>eg,</i> an unexpected and lucrative use for an old compound, like topically-applied minoxidil for hair growth (Rogaine'). But composition of matter patent protection on the active product itself is always a primary plank in protecting a drug franchise, and increases the value of the technology significantly.

22 minute read August 26, 2003 at 03:56 PM
By
Ivor R. Elrifi and Nicholas P. Triano, III
The Paxil Case: Composition of Matter Claims, Polymorphs and 'Follow-on' Patents

The growth of the pharmaceutical industry over the past 20 years has been driven by the R&D investment in discovering new compounds, which can be protected by composition of matter patent claims.

This premium content is locked for The Intellectual Property Strategist subscribers only

ENJOY UNLIMITED ACCESS TO THE SINGLE SOURCE OF OBJECTIVE LEGAL ANALYSIS, PRACTICAL INSIGHTS, AND NEWS IN The Intellectual Property Strategist

  • Stay current on the latest information, rulings, regulations, and trends
  • Includes practical, must-have information on copyrights, royalties, AI, and more
  • Tap into expert guidance from top entertainment lawyers and experts

Already have an account? Sign In Now

For enterprise-wide or corporate access, please contact Customer Service at [email protected] or call 1-877-256-2473.

NOT FOR REPRINT

© 2026 ALM Global, LLC, All Rights Reserved. Request academic re-use from www.copyright.com. All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.

Continue Reading

The combination of increasing operating costs and uncertain government reimbursement funding continues to place health care providers under financial pressure, and in many cases, financial distress. Given the importance of Medicare/Medicaid funding of claims under provider agreements with the federal government, how courts interpret and apply the interplay between the Bankruptcy Code and Medicare Program Act determines the disposition of hundreds of millions of dollars of claims for reimbursement that support the health care system.

April 30, 2026

As AI becomes embedded in everyday business and legal operations, organizations are confronting a new expectation: simply disclosing AI use is no longer enough. A critical shift is taking place in the legal industry: transparency is no longer just about disclosure; it’s about comprehension.

April 30, 2026