Marc Visnick Attorney at Law, Portland Marc Visnick, Attorney at Law, Portland. Mr. Visnick is an attorney and forensic software analyst based in Portland and a senior consultant with Johnson-Laird Inc. He specializes in forensic software analysis for patent, copyright, and trade secret litigation, software due diligence, and independent software development project design and supervision. Mr. Visnick is chair of the Oregon State Bar Computer and Internet Law Section. (09/11)