W. Dennis Drehkoff
Of Counsel
T: 312-609-7707
F: 312-609-5005
|
 |
Chicago
|
 |
E:
W. Dennis Drehkoff has been practicing intellectual property law for over 35 years. Mr. Drehkoff specializes in chemical and life-sciences patent and trademark prosecution and related litigation. He has broad experience serving as patent counsel for Kraft, Inc. and general patent counsel for Fujisawa USA, Inc., a multinational pharmaceutical company.
Mr. Drehkoff has particular expertise in patent preparation and prosecution related to chemicals, pharmaceuticals (cardiovascular treatments, cox-2 inhibitors, contraceptives, etc.), chemical processes, carbohydrate chemistry, polymers, molecular biology, dental compositions and devices, microbiology, medical products, adhesives, communications, food technology, tissue engineering, adult stem cells, and plant materials. He has provided life-cycle management guidance for single-source pharmaceuticals, including analysis and assessment for extending FDA periods of exclusivity and supplemental patent protection during product life. With multisource pharmaceuticals, he has performed analysis of FDA-listed patents and provided infringement and/or invalidity opinions.
He has also provided recommendations to avoid infringement of FDA-listed patents, assisted in the preparation of abbreviated new drug applications and 510(k) applications. He has obtained orphan drug marketing approval and patent term extensions for pharmaceutical products. He also has extensive foreign patent and trademark experience.
Mr. Drehkoff was an adjunct professor at The John Marshall Law School for 11 years and is currently a tutor at the Southeast Asian Drafting Course (SEAD) for the FICPI Academy of Education.
|
|
 
|
 |
- J.D., University of Missouri School of Law, 1972
- B.S., St. Louis College of Pharmacy, 1969
- Illinois, 1982
- Missouri, 1972
- U.S. Patent and Trademark Office
- U.S. District Court, Nothern District of Illinois
- U.S. District Court, Eastern & Western Districts of Missouri
- U.S. Court of Appeals for the Federal Circuit
- Member, Intellectual Property Lawyers Association, Chicago
- Member, Chicago Bar Association
- Member, National Plant Patent Owners Association
- Member, Fédération Internationale des Conseils en Propriété Industrielle (FICPI)
|
