Tony Guerino II

Houston,  TX  U.S.A.

Peer Rating

Client Rating

Printer Friendly VersionEmail this PageDownload to My Outlook ContactsAdd lawyer to My FavoritesCompare this lawyer to other lawyers in your favorites

Experience & Credentials

Practice Areas

  • Litigation
  • Commercial Litigation
  • Global Energy & Infrastructure
Contact InfoTelephone: 713.374.3535
Fax: 713.754.7535
University Pennsylvania State University, B.S., Petroleum/Natural Gas Engineering, with honors, 1986
Law SchoolUniversity of Houston Law Center, J.D., 1994
Admitted1995, Texas; U.S. District Court for the Southern District of Texas

Professional & Community Involvement

• Elected to fellow of Texas Bar
• Member of:
• Energy Bar Association
• Houston Bar Association - Oil, Gas and Mineral Section
• State Bar of Texas
• Federal Bar Association
• American Bar Association
• International Bar Association
• Society of Petroleum Engineers
• American Chemical Society
• Active Volunteer, Habitat for Humanity


Tony Guerino is an energy and environmental trial lawyer who focuses his litigation and arbitration practice on resolving disputes related to oil and gas exploration and production. He has more than 20 years of experience as lead counsel in energy-related matters throughout the United States and major producing areas around the globe. His background as a petroleum engineer and executive with a large international oil & gas exploration and production company provides him with a deep understanding of the legal and technical issues relevant to the oil & gas industry. He brings strategic guidance and practical experience to his clients. He has been elected as a fellow of the Texas Bar, one of the highest honors that can be bestowed upon a member of the State Bar of Texas, and has been recognized as one of the world's leading energy lawyers in Energy Expert Guide. His extensive experience in energy litigation cases covers all the major substantive areas affecting the oil & gas industry:

• Contract disputes involving JOAs, MSAs, PSAs and related oil and gas agreements
• Oil and gas royalty disputes and other mineral lease issues
• Downhole well issues involving completions, specialty tools, casing and tubing matters
• Onshore and offshore oil and gas production issues
• NORM litigation involving surface and subsurface contamination
• MTBE litigation and arbitration
• Horizontal well issues (drilling, fracking and well completions)
• Underground trespass and groundwater contamination issues

In addition to his exploration and production experience, Tony also represents clients in a variety of commercial litigation matters, including contract disputes and business torts. He routinely assists his clients to evaluate and monitor risk and liability concerns at the contract drafting and negotiation stage of domestic and international projects.

Oil and Gas Industry Knowledge and Experience

In addition to his proven courtroom and arbitration skills, Mr. Guerino is a petroleum and natural gas engineer who worked for a major exploration and production company, learning the technical and financial intricacies of the energy business prior to earning his law degree. This unique combination of petroleum engineering and legal skills, along with in-depth knowledge and hands-on experience in the energy industry as an operations engineer, production engineer, reservoir engineer and positions in senior management responsible for onshore and offshore operations, makes Mr. Guerino one of Texas' go-to energy litigators. Mr. Guerino has represented major exploration & production companies, oilfield services companies, drilling companies, independent operators and pipeline companies in energy litigation and arbitrations around the country involving hundreds of millions of dollars.

Energy-Related Contract Disputes

Mr. Guerino has wide-ranging and varied experience in energy industry contract disputes including Joint Operating Agreements, Master Service Agreements, Purchase and Sale Agreements, Royalty Agreements, Production, Transportation and Storage Agreements, FPSO related agreements, Field Development Agreements, and other oil and gas industry agreements.

Property Contamination and Trespass (Fracking Issues)

Mr. Guerino represented an oil and gas operator against multimillion-dollar property contamination claims allegedly resulting from his client's oilfield operations and completion techniques, including fracking. After discovery of technical flaws and issues in the plaintiff's claims, Mr. Guerino was instrumental in having the case dismissed. Mr. Guerino has represented multiple companies with respect to horizontal drilling issues, including underground trespass and contamination claims.

Downhole Operations

Mr. Guerino has represented oil & gas equipment producers and suppliers, casing and tubing manufacturers, E&P companies, operators and working interest owners in cases involving a myriad of drilling issues, downhole operations, and oil and gas equipment failures. His strong technical knowledge of the energy industry is routinely used to his client's advantage in downhole oil and gas well matters.

Royalty Disputes

Mr. Guerino has broad experience in the prosecution and defense of royalty claims. Most recently Mr. Guerino has represented E&P companies, company officers and individual royalty owners with respect to royalty disputes in the Eagle Ford shale involving claims valued at more than $700 million dollars throughout multiple Texas state courts.

Trade Secret Litigation

Mr. Guerino has litigated numerous matters involving trade secrets, unfair competition, misappropriation, industrial espionage and employee raiding, both on behalf of plaintiffs and defendants. Through the benefit of his degree in engineering, coupled with his engineering experience, he has a deep understanding of his client's technology and competitive environments. Representative matters have involved highly specialized chemical plant, refinery equipment, and downhole oil & gas tools. He has experience in developing protocols to avoid misappropriating others' trade secrets related to the movement of senior level industry employees and in assisting clients who need to protect their trade secrets.

Areas of Concentration

• Oil and gas litigation (PSA's, JOA's, title issues, royalty disputes, down-hole operations, groundwater contamination, trespass, master service agreements, etc.)
• Upstream oil and gas industry operations
• Energy and energy services
• Royalty disputes
• Oil and gas contracts
• Domestic and international arbitrations
• Complex commercial litigation

Awards & Recognition

• Team Member, a U.S. News - Best Lawyers, Best Law Firms Edition, Law Firm of the Year, Environmental Law, 2016
• Listed, Energy Expert Guide as one of World's Leading Lawyers (as chosen by peers), 2014 - 2015
• Listed, Super Lawyers magazine, Texas Super Lawyers, Rising Star, 2004

Associated News & Events

Press Releases

11.03.15 Greenberg Traurig Named 'Law Firm of the Year' for Environmental Law
04.30.15 Eleven Greenberg Traurig Attorneys Recognized in Euromoney's 2015 ENERGY Expert Guide
11.14.14 Greenberg Traurig's Environmental Practice Receives Top Tier Rankings in U.S. News - Best Lawyers 2015 ' Best Law Firms' List
06.17.13 Six Greenberg Traurig Attorneys Recognized in Euromoney's 2013 ENERGY Expert Guide
05.20.13 Greenberg Traurig Attains Multi-Million Dollar Oil and Gas Settlement
06.27.11 Greenberg Traurig Shareholder Anthony M. Guerino II Elected a fellow of the Texas Bar Foundation
10.21.09 Greenberg Traurig Expands its Houston Office With the Addition of Anthony “ Tony” Guerino

Bar Fellowship: of Texas Bar

•Member, American Bar Association

•Member, Federal Bar Association

•Member, Houston Bar Association

•Oil, Gas and Mineral Section

•Member, International Bar Association

•Member, Society of Petroleum Engineers

•Member, State Bar of Texas

•Active Volunteer, Habitat for Humanity

Reported CasesSignificant Representations: Lead the defense of an independent E&P company and multiple working interest owners in a multi-party breach of contract case involving the purchase and sale of oil & gas producing properties in the Texas Panhandle involving damage claims between $300 million to $800 million dollars. The case is scheduled for trial in the summer of 2015.; Defended an independent oil & gas exploration and production company, and its officers, in breach of contract and fraud litigation involving overriding royalty interests in the Eagle Ford Shale and damages in excess of $700 million. Following resolution of complex litigation issues in his client's favor through pre-trial motions, the case was settled just before trial with Mr. Guerino's client recovering its legal fees from the claimant, and paying essentially no damages.; Represented international oil and gas E&P company in arbitration involving $300 million in damages related to title defects in oil and gas leases acquired in $2.5 billion transaction. A global settlement in favor of Mr. Guerino's client was entered by the parties.; Represent Anakara, Turkey based E&P company in international arbitration regarding ownership of exploratory licenses covering multiple exploratory blocks located in Turkey. The matter is still pending.; Defend domestic oil & gas E&P company against claims of ground and groundwater contamination allegedly related to onshore Louisiana wells drilled and operated by his client. The matter is still pending.; Represented refinery equipment owner and dismantler in federal court matter involving multimillion-dollar damage claims allegedly incurred at refinery during equipment extraction process. The case was settled on the eve of trial under terms favorable to the client.; Represented domestic oil & gas producer in $100 million title dispute case involving bad faith trespass claims, alleged rescission of ratifications of leases, and contract interpretation issues related to multiple competing JOA's. The trial court granted declaratory relief in favor of Mr. Guerino's client.; Represented a national directional drilling company in breach of contract claims involving a multimillion, 12 well horizontal drilling program. The litigation was submitted to binding arbitration in Atlanta, Georgia. The client prevailed on all counts.; Represented the defendant in a major pipeline rupture case in which hundreds of local residents were evacuated following the explosion of a 6 propylene pipeline. Following a two week jury trial, a verdict was entered in favor of the client.; Defended an international energy company against claims of negligent performance and breach of contract regarding down-hole well operations. The jury ruled for Tony's client on all counts, and further awarded his client damages on their counter-claims.; Represented a major oil and gas exploration and production company in its claims against a well services company for loss of a prolific well producing from multiple pay zones. The case was settled with the client receiving a multimillion-dollar settlement in excess of the value his client placed on the case.; Represented Fortune 100 energy company in connection with international arbitration claims involving the construction of a $500 million offshore floating production storage and offloading ( FPSO ) facility to be installed off the coast of Nigeria. The case settled with Tony's client receiving concessions valued in the tens of millions of dollars from contractors located on numerous continents.; Defended one of the largest mining companies in the world, against property contamination claims resulting from oilfield operations on plaintiff's 700-acre ranch. Damages of several million dollars were claimed. Following a three week jury trial, a defense verdict was entered in favor of Tony's client.; Defended an international E&P company from multimillion-dollar groundwater and soil contamination claims. After discovery of technical flaws and issues in plaintiff's claims, Tony was instrumental in negotiating a nuisance value settlement.; Created and implemented a litigation strategy that persuaded plaintiff's to non-suit and/or dismiss his clients from asbestos related toxic tort litigation involving hundreds of claims and multiple defendants.; Represented Fortune 500 corporation from third-party claims that the corporation was the alter ego of, or in single business enterprise with, predecessor companies alleged to have committed breach of contract, fraud and/or negligence. A unanimous jury verdict was awarded for Tony's client.; Obtained take nothing judgment in favor of a major oil company against royalty dispute claims, exceeding several million dollars, asserted by a mineral interest owner.; Obtained numerous favorable summary judgments involving various types of oil and gas agreements including joint operating agreements, master service agreements, drilling contracts, farmout agreements, exploration agreements constraint agreements and royalty agreements.; The above representations were handled by Mr. Guerino prior to his joining Greenberg Traurig, LLP.
Profile Visibility
#1,573 in weekly profile views out of 26,558 lawyers in Houston, Texas
#99,354 in weekly profile views out of 1,733,233 total lawyers Overall

Office Information

Tony Guerino II

1000 Louisiana, Suite 1700
HoustonTX 77002


Professional Networking for Legal Professionals Only

Quickly and easily expand your professional
network - join the premier global network for legal professionals only. It's powered by the
Martindale-Hubbell database - over 1,000,000 lawyers strong.
Join Now