Services
Related Practice Areas
Attorneys
- David Arnold
- Karl Barr
- Asaf Batelman
- H.M. (Bud) Bedingfield
- Christopher Boehm
- David Bomzer
- J. Michael Buchanan, Ph.D.
- Aaron Bumgarner
- Michael Cantor
- Vincent Cichosz
- Philmore Colburn II
- Pamela Curbelo
- Tam Dinh, Ph.D.
- Daniel Drexler
- Grant Ehrlich, Ph.D.
- Mia Fiedler
- David Fox
- Todd Garabedian, Ph.D.
- Daniel Gibson
- Jenae Gureff
- Peter Hagerty
- Alicia Hayter
- Victor Kernus
- Jaehoon Kim
- Sung Wook Kooh
- M. Brad Lawrence
- Daniel Lent
- Howard Levy
- Victor Libert
- Paul Madan
- Leslie-Anne Maxwell, Ph.D.
- James Merrick, Jr.
- Duane Minley
- Keith Murphy
- Charles O'Brien
- Matteo Pedini
- Roberta Pelletier
- Leah Reimer, Ph.D.
- David Rodrigues, Ph.D.
- Thomas Ryan
- Michael Rye
- Alex Tucker
- Karl Vick
- Jeffrey Waters
- Wanli Wu
- Bryan Zerhusen, Ph.D.
- Susan Zerull
Print PDF
Invalidity Opinions
Cantor Colburn regularly prepares opinions for clients looking to determine the validity of a patent held by a competitor.
Our team possesses the wealth of legal experience and technical knowledge to render opinions on complex validity issues, which aid clients in making strategic product development decisions.
Our comprehensive invalidity opinion services include:
- Online searches to locate invalidating prior art
- Review and analysis of a target patent’s file history and cited references
- Claim construction
- Identification of problematic claims in target patents
- Invalidity analysis of problematic claims
- Drafting of an invalidity opinion
- Drafting claim charts of a target patent