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William Pierog

is an associate in Litigation with Fenwick & West. He focuses his practice on commercial and intellectual property litigation, with a particular emphasis on copyright, trademark, trade secret, and patent disputes for technology companies. Will has also represented pro bono clients before the San Francisco Rent Board and San Francisco Immigration Court. Will is a member of the Ingram Inn of Court, an organization that promotes civility, collegiality, professionalism, ethics, and advocacy skills.

Recent Articles by William Pierog

Can Internet Comments and Search Results Prove Trademark Infringement?

You’ve selected a unique trademark, marketed and sold products under the brand, and continue to build up a base of satisfied customers. But then a new company emerges with a very similar trademark, piggybacking on your success. Even your customers are outraged and post comments about your companies’ similar trademarks. You’re delighted, but can you skip the survey and use these internet comments as evidence of confusion? This article addresses the admissibility of internet evidence and its probative value.