Provided regulatory compliance and internal legal operations support to multinational energy sector companies, including drafting and negotiating supplier-facing contracts, master service agreements, subcontracts, and cross-border commercial agreements to ensure operational alignment with industry standards and regulatory requirements.
Negotiated financing company’s full release of a predatory solar financing lien that had blocked a widow’s home sale, using targeted Uniform Commercial Code (UCC) and Deceptive Trade Practices Act (DTPA) analysis to eliminate the lender’s claim and restore clear title for sale of home.
Successfully blocked a $24 million hostile takeover attempt designed to fraudulently obtain title and convert the condominium homes of elderly residents into an elderly commercial care facility. Provided homeowners counsel, identified vulnerabilities of governing documents, and drafted critical governance documentation to protect homeowners from further abuse.
Represented Landlord in complex commercial eviction and tenant appeal involving allegations of fraud, defects in a purchase and sale, and disputes arising from an Airbnb tenancy. Secured favorable outcome for Landlord-property owner.
Aggressively defended a Medicaid patient and his family against claims brought by a prominent California hospital system involving hospital’s improper attempts to discharge patient, resulting in full dismissal of hospital’s lawsuit against patient and their family.
Represented property owners in partition actions, expedited foreclosure proceedings, evictions and complex first-party insurance litigation, achieving enforceable resolutions that protected clients ownership rights and financial recovery.
Litigation team support for plaintiffs’ Lanier Law Firm in a high-stakes federal Lanham Act false advertising dispute concerning the marketing of high fructose corn syrup. Contributed Daubert and summary judgment briefing, evidentiary analysis, trial phase strategy and pre-trial motions.
Litigation defense team support in $90M catastrophic trucking injury case Blair v. Werner Enterprises Inc., resulting in Texas Supreme Court reversal of verdict in favor of defense. Researched liability, damages and regulatory issues, assisted in trial preparation.
Succeeded in setting aside an adverse summary judgment previously entered against a major construction company - client when client was represented from prior counsel.
General Counsel Support
Supported general counsel for multinational companies, including midstream pipeline services provider and international sensor-technology company with regard to customer and supplier agreements.

“Diana Miller was incredibly meticulous, well-prepared, and professional throughout the bankruptcy case involving my tenant. She guided me through every step with confidence and attention to detail. I highly recommend her services.”
- H. Maya, client
"I highly recommend Diana. As a member of our high-stakes litigation team, Diana proved herself an invaluable team member who is not only highly capable, but who is fully committed to working for the client’s success…”
- M. Carreras, supervising attorney The Lanier Law Firm
“Based on my experience as a practicing attorney and Managing Partner, I consider Ms. Miller an exceptional attorney who genuinely cares about clients, her co-workers and the ongoing success of the organization for a which she works. I recommend Ms. Miller without hesitation.”
- S. Steever, Managing Partner Lanahan & Reilley LLP
Case results depend on a variety of factors that are unique to each case.
Prior outcomes do not guarantee or predict future results.
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