John L. Gase

Member

Mr. Gase focuses his practice on prosecution, client counseling, and litigation in the areas of biotechnology, chemistry, and related arts. Recent technologies have included immunotherapy and related compositions; nucleic acid probes and microarray technology for disease detection; antibodies; siRNA; cancer therapies; vaccines and treatments for HIV and other viral infections; biologically active small-molecules; pharmaceutical formulations; and specialty chemical technologies, such as nanoparticle and nanoporous insulation materials, integrated circuit polishing materials; cosmetic formulations, inkjet inks, and paper coatings.

Mr. Gase has extensive experience in formulating patent strategies and managing patent portfolios, as well as in counseling and rendering opinions on patent validity and infringement. He also prepares and prosecutes patent applications in the U.S. and abroad. In addition, he has represented clients in contested proceedings, both in U.S. District Court and before the U.S. Patent and Trademark Office.

Professional Affiliations

• Chicago Bar Association
• Intellectual Property Law Association of Chicago (IPLAC)
• American Intellectual Property Law Association (AIPLA)
• American Bar Association
• Intellectual Property Owners Association (IPO)

Honors

• Named in the Illinois Rising Stars list, as published in Illinois Super Lawyers, 2009, 2010

Representative Matters

Contested Proceedings

• Interference No. 105,652 (pertaining to fusion proteins and protein conjugates)
• Interference No. 105,500 (pertaining to erythropoietin-based treatment methods)
• Interference No. 105,168 (pertaining to antibodies and related technologies)
• Interference No. 105,231 (pertaining to chemical intermediates for pharmaceutical production)
• Interference No. 105,158 (pertaining to tantalum used for sputtering)
• Donaldson Company, Inc. v. Baldwin Filters, Inc., 04 C 2679 (D. Minn. 2004) (Represented defendant Baldwin Filters in patent infringement suit relating to air filter technology)
• Cytomedix, Inc. v. Perfusion Partners & Assoc., et al.,  02 C 4776 (N.D. Ill. 2002) (Represented multiple defendants in patent infringement suit relating to enriched platelet compositions and methods for wound treatment)

Bar Admissions and Registrations

• Illinois State Bar, 1999
• Registered to practice before the U.S. Patent and Trademark Office

Courts

• U.S. District Court for the Northern District of Illinois

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