Stephen L. Levine

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Stephen L. Levine — Patent Litigation Practice Summary

Specialty / focus areas. Levine is a registered patent attorney with an electrical engineering background (B.S., UT Austin) whose practice spans patent prosecution and portfolio management plus patent and trademark litigation. His technical coverage is broad but hardware-centric: semiconductor circuits, devices and fabrication; processor and memory architectures; signal processing; telecommunications; electronic devices and systems; software systems; electromechanical and mechanical systems; consumer devices; and biomedical devices. His firm bio describes co-counsel litigation matters involving military devices, electronic memories, large-scale software systems, consumer devices, and design patents. The single tracked case, Context Directions LLC v. Gulliver USA, Inc., involved connected-vehicle/sensor and contextual-location patents asserted against a vehicle dealer — i.e., electronics and software-adjacent subject matter rather than pharma or mechanical arts. Note that his profile emphasizes prosecution and trademark work as the historical core of his practice, with litigation as a secondary component.

Side preference. The authoritative data shows one tracked appearance, on the defendant side, working for an operating company (an automotive dealer/distributor) against a patent assertion entity. His firm bio states he represents clients "on both sides of patent claims," and describes offensive and defensive representation in utility and design patent matters, but the tracked record in this dataset is entirely defensive. No plaintiff-side or NPE/PAE representation appears in the tracked data.

Firm context. Levine is a partner at Carrington, Coleman, Sloman & Blumenthal in Dallas, which he joined in November 2016 as part of the firm's IP practice build-out. Before that he co-founded the Dallas IP boutique Anderson & Levine LLP in 1995 and led it for roughly two decades. Earlier in his career he worked at Baker Botts and Vinson & Elkins (and, per a third-party bio aggregator, began as an associate at Baker, Mills & Glast in 1988) — firm-history details beyond Carrington Coleman and Anderson & Levine are less firmly sourced.

Notable cases and outcomes. The tracked matter is Context Directions LLC v. Gulliver USA, Inc. (E.D. Tex., No. 2:25-cv-01005), in which Levine and Brian P. Shaw Jr. represented Gulliver USA against claims on U.S. Patent Nos. 9,807,564 and 10,142,791 covering contextual location/sensor technology; the case was dismissed with prejudice by joint motion roughly 140 days after filing, with no publicly disclosed damages figure. Separately verifiable PTAB-adjacent work appears in Twitter, Inc. v. Youtoo Technologies, LLC (IPR2017-00829 / IPR2017-00830 and IPR2017-01131), where Levine was backup counsel for patent owner Youtoo; the Board granted his withdrawal in late 2017 after the patent owner substituted counsel. No verdicts, Federal Circuit opinions, or large publicly reported settlements attributable to him were located.

PTAB / IPR experience. His firm bio lists PTAB and ITC appearances, and the Youtoo IPRs confirm IPR involvement in a backup-counsel role. There is no indication he is a frequent lead petitioner or first-chair PTAB advocate; the verified PTAB footprint is limited and dates to 2017.

Bar / education. Licensed in Texas (1988) and before the U.S. Patent and Trademark Office (Reg. No. 33,413, 1989); J.D., University of Texas School of Law, 1988; B.S. in Electrical Engineering with honors, University of Texas, 1985. Court admissions listed for all four Texas federal districts.

Caveat: the side-preference and case-outcome discussion rests largely on a single tracked appearance plus firm-published descriptions; independent reporting on his litigation results is thin, so conclusions about his litigation volume should be treated as indicative rather than comprehensive.