The Dacus Law Firm

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The Dacus Law Firm (The Dacus Firm, P.C.) — Patent Litigation Profile

Firm overview. The Dacus Firm, P.C. is a small, single-office trial boutique at 821 ESE Loop 323, Suite 430, Tyler, Texas, holding itself out as "attorneys in East Texas since 1997." It is not a national IP boutique or AmLaw-ranked firm; no AmLaw, Chambers, Vault, or Legal 500 IP ranking for the firm was located, and no verified headcount or revenue figures are publicly available. Public records list Deron R. Dacus and Shannon M. Dacus as owners; the practice is effectively built around Deron Dacus's personal trial practice. Size indicators should be treated as small-shop/regional rather than BigLaw.

IP litigation specialty. The firm's own practice description lists patent litigation first among its areas, alongside commercial/business litigation, oil and gas, and catastrophic injury — i.e., a general trial practice with a patent-heavy book, not a technology-siloed IP shop. The tracked docket and related public filings skew toward telecommunications and networking (Genband/Metaswitch VoIP, session border controllers, softswitches), wireless/mobile-device and networking patents (Headwater Research v. Verizon and related Apple and T-Mobile actions), and storage/memory-adjacent litigation (Cloud Byte v. Dell, with a parallel Dell v. Cloud Byte IPR). Beyond the tracked list, public dockets also show Dacus appearing in matters involving 3D printing (Stratasys), semiconductor/3D-IC and memory patents (MonolithIC 3D v. SK Hynix; Polaris Innovations v. Qualcomm), battery technology (LG Energy Solution), DNA diagnostics (Ravgen), industrial piping (Tyler Pipe v. Mifab), and retail analytics. There is no reliable basis to describe the firm as a Wi-Fi standards or pharma specialist.

Side preference. The tracked data show 3 defendant-side appearances against 1 plaintiff-side, and the firm is predominantly engaged as local counsel (3 of 4 tracked matters) rather than lead or merits counsel, with one tracked matter listed under Dacus as Lead Counsel. The firm markets itself as representing both plaintiffs and defendants; its largest publicly documented results include a plaintiff-side patent verdict (Genband) and multiple defense verdicts. The practical profile is a Tyler/E.D. Tex. local-counsel shop that is retained by both operating companies and patent holders, with national firms handling merits briefing and experts.

Notable matters. The most prominent verified outcome is Genband US LLC v. Metaswitch Networks Ltd. (E.D. Tex. No. 2:14-cv-33), where a January 15, 2016 jury found Metaswitch infringed all asserted claims of seven Genband patents and awarded $8,168,400; the court later denied a permanent injunction for lack of causal nexus, and the Federal Circuit affirmed that denial. In the follow-on case, Metaswitch Networks Ltd. v. GENBAND US LLC (No. 2:14-cv-744), a March 2016 jury found GENBAND did not infringe any of six Metaswitch patents and invalidated three, rejecting a claimed $59 million. GENBAND was represented by Baker Botts and the Dacus Firm. The firm's website also reports a $39 million verdict for Lowrance and a full defense win in the Huawei v. CNEX Labs trade secret case; these are firm-reported and should be independently verified before being repeated as fact. The fourth tracked matter appears as Lead Counsel in the dataset but is not identified, so no outcome can be attributed to it.

PTAB/IPR practice and key personnel. There is no evidence of a standalone, scaled PTAB practice; Dacus appears as counsel of record in PTAB proceedings alongside national IPR counsel (for example, coordination with instituted IPRs on U.S. Pat. Nos. 8,554,196 and 9,094,888 in 2024, and involvement in Dell v. Cloud Byte, IPR2025-01288). No public report supports a specific IPR filing volume for the firm. The dominant figure is Deron R. Dacus — Board Certified in Civil Trial Law (Texas Board of Legal Specialization), a licensed CPA, a charter member of the T. John Ward Inn of Court, repeatedly listed in Texas Super Lawyers (2009–2011, 2019–2026), and the sole attorney name appearing across all tracked appearances and most public dockets. No other IP litigation partners at the firm are reliably sourced. Note that the firm's self-reported patent-case count is inconsistent across its own materials ("well over 100" in one archived version vs. "well over 1,000" on the current attorney page), so that figure should not be relied upon without verification.