Charles A. Weiss is a partner in Holland & Knight's New
York office and head of the New York Intellectual Property Group. He
concentrates his practice on technology-driven litigation, counseling and
transactions, primarily in the pharmaceutical, chemical and biotechnology areas.
He also counsels clients on questions of patent validity and infringement, and
provides a litigator's perspective on prosecution matters.
Mr. Weiss litigates patent, trade secret, license and false advertising cases
in diverse technical areas. He has handled cases over the years involving
expression of recombinant proteins and antibodies, controlled release
pharmaceuticals, medical diagnostic agents, endocrine and hormone products,
nutritional supplements, industrial control systems, food chemistry, nucleic
acid diagnostic assays and commercial detergents. He also has extensive
experience in the investigation of product counterfeiting and pursuit of those
In addition, Mr. Weiss has a diverse non-litigation practice, focused on
supporting transactions in which a substantial value is attributed to a party's
patent position, such as its ability to exclude competitors or to bring its
product to market free of meritorious infringement claims by others. He has
negotiated and drafted licenses and other agreements, including commercial
collaboration, joint research and product acquisition agreements, and regularly
advises financial professionals on the strength or vulnerability of a target
company's patent positions.
Mr. Weiss also has experience in commercial matters, including corporate and
securities transactions, contract litigation, insurance and banking disputes,
construction litigation, accounting and attorney malpractice, and investigations
of employee malfeasance and fraud. Mr. Weiss is an adjunct professor at New York
Law School, where he designed a course on patent litigation and analysis, and is
also an associate adjunct professor at Brooklyn Law School, where he designed
and teaches a course on food and drug law.