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Specialties & Experience

General Specialties: Audio and Telecommunications

Specialty Focus: Expert Witness, Audio-processing related patent matters, Speech-processing related patent matters, Patent infringement, Patent non-infringement, Petition for Inter Partes Review, MPEG audio, ETSI AMR/AMR-WB/AMR-WB+ algorithms, Discovery source code examination, Signal Processing

Education: BS, Princeton University; PhD, Georgia Institute of Technology

Years in Practice: 11

Number of Times Deposed/Testified in Last 4 Yrs: 10


Additional Information

Dr. Schuyler Quackenbush is an expert in speech and audio processing and compression, and in media streaming. In addition, he is an expert in MPEG, ETSI and 3GPP speech and audio standards. Dr. Quackenbush has more than 10 years of experience as a patent expert witness in more than 17 matters. He has been retained for both plaintiff and defense in matters including infringement, non-infringement and petition for Inter Partes Review. In this work, he has written more than 25 expert reports and been deposed more than 10 times. He has also testified at a jury trial. Dr. Quackenbush has more than 30 years of professional experience in engineering and engineering consulting, including more than 15 years as Member of Technical Staff at Bell Laboratories and AT&T Laboratories. He has authored over 30 technical articles, books, book chapters and conference papers and is a named inventor on 22 patents in the U.S. and one in Canada. He is currently Principal Consultant at Audio Research Labs, Faculty at New York University and Chair of the MPEG Audio subgroup.