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Jessica Parezo
Jessica L. Parezo
Special Counsel
Washington +1 202 662 5498 Download V-card

Jessica Parezo specializes in post-issuance Patent Trial and Appeal Board proceedings and strategic patent counseling. Her practice includes Hatch-Waxman pre-litigation assessments and transactional patent diligence. She also has extensive experience in procuring patents covering an array of pharmaceutical and biotechnology inventions.

  • Representation of Biogen Idec, as patent owner, in defeating three IPR challenges by Swiss Pharma against patents covering Tysabri®, Biogen’s multiple sclerosis drug. In denying trial institution, the Board adopted the detailed reasoning from Covington’s briefs, which overcame Swiss Pharma’s evidence and expert testimony.    
  • Representation on patent owner side in an IPR challenging the validity of an Orange Book-listed patent covering an ulcerative colitis drug.  
  • Representation of Anacor Pharmaceuticals, as patent owner, in three IPR proceedings challenging Orange Book-listed patents for Kerydin®, Anacor’s topical antifungal drug.
  • Representation of a pioneer pharmaceutical company, as patent owner, in multiple inter partes reexamination proceedings challenging patents claiming a topical drug product.
  • Representation of GlaxoSmithKline in District of Maryland patent litigation and three co-pending inter partes reexamination proceedings involving patents owned by Classen Immunotherapies. The patents related to immunization methods and schedules.   
  • Representation of Biovail Laboratories in Hatch-Waxman litigation against Impax Laboratories in the Eastern District of Pennsylvania involving Biovail’s antidepressant drug Wellbutrin XL®.  
  • Representation of Merck in procuring patents directed to small molecule pharmaceuticals including HIV protease inhibitors, angiotensin receptor antagonists, and antifungal compounds.
  • Representation of Procter & Gamble in procuring patents directed to pharmaceuticals including antimicrobial quinolones, corticotropin-releasing factor receptor agonists, and various proprietary compounds.
  • Conducted freedom-to-operate and validity investigations of patents covering biologics and signal transduction therapies.

Pro Bono

  • Assistance to low-income individuals with navigating Medicare prescription drug coverage.
  • Advised economically disadvantaged DC business entrepreneurs on intellectual property issues.