San Antonio Attorney

The Experience You Want. The Results You Need.

From helping our clients avoid legal entanglements, to offering vigorous representation when conflicts arise, Thornton, Biechlin, Reynolds & Guerra, L.C. is a full service litigation firm. Our clients range from individuals and entrepreneurial companies to Fortune 500 corporations. Our reputation as astute business professionals and stellar litigators ensure you receive the assistance you need when you need it, while fostering a long term partnership in furtherance of your long term goals.

Martindale-Hubbell AV RatingOver 40 years of experience have resulted in the development of a strong foundation in virtually every type of industry, whether it be professional services, consumer products, or business-to-business matters. Our diversity of knowledge, attention to detail and courtroom prowess has not gone unnoticed. The firm has been rated a "2012 Top Ranked Law Firm" by LexisNexis® Martindale Hubbell® in Fortune Magazine. We are also proud of our AV (highest) rating, as determined by the Martindale-Hubbell Directory of Attorneys. Martindale-Hubbell identifies and evaluates all lawyers and law firms within the United States, based upon legal ability and ethical standards.

Primerus logoThe firm is also a member of the International Society of Primerus Law Firms. Primerus is a global alliance of top quality, independent law firms. All must make application and are rigorously pre-screened prior to admission and thereafter audited annually for their commitment to excellence and adherence to the organization's Six Pillars: Integrity, Excellent Work Product, Reasonable Fees, Continuing Education, Civility and Community Service. More can be learned about Primerus and its principles at

PLAN The firm participates in the Professional Liability Attorney Network. PLAN is a national organization comprised of independent AV-rated law firms across the United States. Members become part of the Network by invitation only. Each firm is subjected to a rigorous review process to ensure the outstanding quality of lawyers throughout the Network. PLAN attorneys are experienced in Professional E&O, D&O, EPL, Coverage/Bad Faith and Financial Institutions. The commitment of member firms is to provide high quality legal representation to professionals, corporate officers and directors, along with their insurers. More can be learned about PLAN at

Best Super Lawners AssociationsAttorneys in the firm presently hold memberships in the Texas Association of Defense Counsel; Defense Research Institute; Federation of Insurance Counsel; International Association of Insurance Counsel; State Bar of Texas; Federal Bar Association; Fifth Circuit Bar Association; and other local associations. Our attorneys have achieved recognition as among the best lawyers in their fields, in their local communities, Texas and the United States.

2011 - 2015 Thornton Law Firm