Steven E. Warner

Steven E. Warner


Partner, Washington DC

Steven Warner chairs the firm's Industrial Equipment and Manufacturing Practice Group.  Since he joined Fitzpatrick in 1989 he has concentrated in the areas of patent application writing, prosecution, counseling, licensing, and enforcement, as well as in rendering validity, patentability, non-infringement, and freedom-to-operate opinions, primarily in the mechanical, electrical, and chemical arts. He also has been involved in various patent litigations, reexaminations, reissues, and interferences, as well as appeals and inter partes reviews before the U.S. Patent Trial and Appeals Board. He has significant experience in the U.S. and internationally, with an expertise in claim drafting.

He has prepared and prosecuted patent applications for many clients in various technologies, including personal care, air care, home cleaning, and home storage devices and products, as well as semiconductor wafer photolithography and circuit pattern alignment, magnetic and magneto-optical recording devices, laser beam recording, ink jet and bubble jet printing, photocopying, photography, thin film transistors, textiles, building products, industrial filtration, fluid dispensing, paper making and paper products, fluidized bed combustion, industrial furnace and boiler technology, and fire protection sprinklers and related products.

He also has had extensive experience in trademark clearance, prosecution, and enforcement, notably in the U.S. District Court for the Eastern District of Virginia.

Prior to joining Fitzpatrick, Mr. Warner was a Primary Examiner with the U.S. Patent and Trademark Office where he worked in heat, fluid power, combustion, incineration, drying, cryogenic distillation, valves, and internal combustion engine technologies, among others.

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