Keller Lawyers

Clinton Prospere is a Senior Associate Attorney at Sul Lee Law Firm, specializing in litigation with a strong commitment to client satisfaction. Clint prides himself on his ability to deliver outstanding results for his clients through meticulous preparation and strategic advocacy. Combining his extensive litigation experience with a deep understanding of his clients’ needs, Clint approaches each case with a tailored strategy to ensure the best possible outcome. Originally from Massachusetts, Clint attended Boston University for his undergraduate studies where he graduated with a Bachelor of Arts degree in International Relations. Thereafter, Clint attended Roger Williams University School of Law. After...

Darren Harrington is a shareholder whose principal area of practice is focused on representing local, national, and international corporations and their officers in cases involving trade secrets, non-compete agreements, union issues, personnel, and government regulatory matters. He has been recognized as one of the premier Occupational Safety and Health Administration (OSHA) defense counselors in the country, and is regularly called upon by employers to enforce and defend against restrictive covenants such non-compete and non-disclosure agreements, as well as defend against claims under the various anti-discrimination in employment statutes, the minimum wage and overtime requirements under the Fair Labor Standards Act...

My practice is primarily focused on representing individuals and small businesses in domestic tax compliance matters, including audit defense and defending against penalties. In addition to tax clients, I represent a select number of entrepreneurs, artists and athletes in business and personal matters. I am a member of the Texas Bar Association’s Tax Section and published author on tax-related topics.

John Freeman's primary areas of practice are employment law, civil litigation and related areas of business litigation. He regularly advises clients regarding employment law practices, non-competes, discrimination and other employment related matters.

Mr. Freeman was born in Jackson, Tennessee, in 1945. He received his bachelor's degree from Baylor University in 1967, and served in the United States Navy from 1967 – 1969 as a Supply Officer aboard the USS Duval County, LST-758. He attended law school at the Vanderbilt University School of Law, where he was an Associate Editor of the Vanderbilt Law Review in 1972 and 1973, and from which...

An associate attorney with Simon Greenstone Panatier Bartlett, PC, Ron C. McCallum provides aggressive and zealous representation to his clients in Dallas, Texas, throughout the state and nationwide. Mr. McCallum focuses his practice of law in the area of personal injury litigation, representing clients who have been harmed by the negligence of others in matters including commercial truck and bus accidents, aviation accidents, aviation products liability, refinery explosions and dangerous pharmaceutical drugs. Prior to attending law school, Mr. McCallum first completed his undergraduate education at The University of Oklahoma in 1997. In addition to receiving a bachelor's degree, he...

Steve Sapp has extensive experience in the representation of clients in both public and private offerings of debt and equity securities, corporate and securities reporting and compliance matters, Board of Directors representation, and mergers and acquisitions. Additionally, he represents many of his public and private corporate clients, both nationally and internationally, in the prosecution and protection of substantial technology and intellectual property portfolios, related administrative proceedings before the United States Patent and Trademark Office, and disputes concerning trademark rights, domain names, and copyrights on the Internet. Due to the breadth of his experience and aptitude for client service, he also...

Full-service Immigration Law Firm, handling employment and family based immigration matters, deportation defense, consular processing and nonimmigrant visas.

Mr. Harrist offers affordable, effective assistance for appeals, litigation, personal injury, and immigration matters.

Scott’s experience as an attorney over the last 30 years has evolved from primarily focusing on environmental issues to expanding to energy, water, and climate change. As a partner in large law firms, he has worked with clients to solve regulatory challenges in transactions, solid and hazardous waste, air emissions, wastewater, soil and groundwater contamination, federal and state Superfund matters, and generally in advising management and directors in environmental strategy, corporate governance, and financial disclosure.

Scott has advised clients in creative ways to capitalize on emerging technology such as renewable energy, energy efficiency, and energy storage, as well...

If you are thinking about filing for divorce, have a family law related case or need help with visitation or a child custody matter, contact our firm today, our experienced attorneys will be able to guide you through the process and will be able to handle your case. Call our firm today!

Ms. Mills is an experienced Copyright, Trademark and Business Litigation attorney providing strong representation for small and mid-sized business clients in Federal and Texas State Courts and before the U.S. Patent and Trademark Office (USPTO) and Trademark Trial and Appeal Board (TTAB). Ms. Mills is admitted to practice in the U.S. District Courts for the Northern, Eastern, Western and Southern Districts of Texas and is Generally admitted in the Northern District of Illinois.

Ms. Mills represents Defendants and Plaintiffs in a broad range of business litigation matters, including copyright and trademark infringement, unfair competition, business disparagement, misappropriation of trade secrets,...

I became a lawyer for a cliched but true reason - I wanted to help people. Today, that desire remains the heart of my law practice. I am passionate about helping my clients solve their problems - whether that’s how to start a new business, understanding what their contract says, or planning for their family’s future. I cut my teeth at “Big Law” firms, where I learned how to analyze, research, negotiate, and strategize from some of the best attorneys in the state of Texas. Over the course of my career, my natural curiosity and love of learning have given...

Mary Kate Brown is a dedicated attorney committed to providing exceptional legal representation and advocating for her client's best interests. She earned her undergraduate degree from Concordia University in Austin, Texas. Her passion for the law led her to pursue her Juris Doctor from St. Mary's School of Law in San Antonio, where she honed her legal analysis and advocacy skills. While at St. Mary’s she served as a Staff Writer and an Executive Board Member for the Law Review. During her studies, she gained valuable experience by interning at the Hays County District Attorney’s Office and the Third Court...

Paul Grinke is Managing Partner of McCathern’s office at The Star in Frisco, Texas. Mr. Grinke has broad experience on a national level, litigating complex commercial and catastrophic event claims from both sides of the docket. He has successfully litigated commercial breach of contract, fiduciary duty, and employment covenant claims. In addition, Mr. Grinke prosecutes and defends claims involving personal injury, wrongful death, and disastrous property damage arising from construction defect, product defect, trucking, and liquor liability.

Mr. Grinke leads McCathern’s Construction Defect, Product Liability and related Fire Litigation practices. He has particular expertise in counseling institutional clients involved in tragic...

Hello, I’m a semi-retired, long-time US attorney with substantial experience in business and corporate law. I counsel startups and small businesses, help them set up corporations or LLCs across the country and draft a variety of contracts and corporate documents.

Licensed Attorney and Member of the California and five Federal Bars. Subject matter expert in the general Mortgage Industry Expert regarding Reverse Mortgages and the senior demographic. 25 years of experience. CFPB and Federal Agency Audit Preparation and Defense. Expert knowledge of the SAFE ACT, the National Mortgage Licensing System, Dodd-Frank, the CFPB, TILA, RESPA, HOEPA, ECOA, and other mortgage industry regulations. Experienced with HUD or FHA agency audit analysis and response. Admin Law Specialist. Experienced with public companies - SOX and the SEC Medical Marijuana Cooperative Formation and Administration. Expert Witness federally qualified. IMPORTANT...

Paula Lock Smyth is a family law attorney who is dedicated to providing effective and efficient representation to clients in Dallas, Texas, and the surrounding communities. She genuinely cares about her clients and invests in each and every case she handles, taking the time to ensure that clients understand all of their options so that they can make informed decisions about what is right for their family.

Mr. Freeman, a dual-credentialed attorney-CPA, author, law professor, and trial attorney, is the founding and managing member of Freeman Law, PLLC. He represents clients in litigation and disputes, with a particular focus on federal and state tax controversies, as well as white-collar and financial disputes, both civil and criminal. He also advises and assists clients with tax and regulatory compliance, including domestic and international tax and regulatory reporting requirements. Recent litigation experience includes serving as trial counsel in a criminal tax evasion and conspiracy jury trial in the Federal District Court for the United States Virgin Islands. In...

Brett Chisum joined McCathern as an Associate in 2012. He currently practices in all areas of civil litigation, with a focus in employment litigation, the mortgage and banking industry, and federal compliance matters for mortgage loan servicers based on the Dodd-Frank Wall Street Reform and Consumer Protection Act. Brett worked with one of the largest preparers of residential mortgage documents in the country, and prepared them for the sweeping industry-wide changes associated with the Dodd-Frank Act. He continues to work with that company at McCathern, ensuring it meets compliance standards for every state in which it transacts business. Brett also...

Personal Injury Litigation

For over 50 years Lou Fouts has represented thousands of clients who have sustained serious bodily injuries, or the loss of a loved one by wrongful death. He works zealously to achieve fairness and justice in securing recoveries for his clients. His career and reputation are distinguished by excellence and compassion for his clients. Both clients and other attorneys have recognized his tenacity and determination for his clients. Lou Fouts earned his B.B.A from S.M.U. and a Doctor of Jurisprudence from The University of Texas at Austin Law School in 1970. While repersenting individuals who...

I enjoy helping clients prevent foreclosure and receive maximum protection under the law. Naturally, it's a tough road that leads to a foreclosure situation, so our job is to help them out of the situation in the most painless, but also the most effective and beneficial way possible.

I am Ryan Anderson, a determined litigator with a wealth of experience in various aspects of the legal process, including depositions, dispositive motion practice and hearings, case strategy, arbitrations, and trials. I am committed to delivering effective, client-centered representation across a range of issues such as contract disputes, business torts, and employment matters. Previously, I served as an associate at a national law firm where my primary focus was on first-party and third-party insurance defense litigation. In this role, I represented insurance carriers, companies, and individuals. This experience has provided me with a unique perspective that is invaluable in my current...

Gerald W. Livingston, native Dallasite. Served in the United States Army, Graduated Southern Methodist University - Dallas, TX with a LL.B. in Law.
Member of the Texas State Bar, the Dallas Bar Association, Tarrant County Bar Association, Texas Trial Lawyers Association, the Dallas Trial Lawyers Association and past member of the State Bar of Texas District 6A, Grievance Committee in Dallas.
AREAS OF PRACTICE: Personal injury claims in all fields (30 + years experience); Employment Law; Business Law. Member of the National Trial Lawyers Top 100, The National Trial Lawyers Top 25 Specialty Associations and AV Preeminent...

Karen Ensley is a board-certified construction law attorney focused on representation of small and large commercial and specialty contractors throughout Texas. Karen “grew up in the business,” working firsthand in the construction industry prior to becoming an attorney. Karen is well versed in lien and bond claim law, collecting for unpaid work, and defending against claims of improper workmanship, Karen also regularly drafts, reviews and negotiates construction contracts, provides counsel to her clients with employer/employee issues and implementation of general best
business practices.

After graduating with a B.A. (summa cum laude) in Foreign Languages from Southern Methodist University, Raney obtained her law degree from SMU in 2001. She worked for three years in Paris, France before returning to the U.S. to work for the U.S. Small Business Administration (SBA), where she advised clients on the intricacies of complex federal lending regulations. Raney currently represents criminal defense clients, with an emphasis on how criminal law relates to federal immigration law. She also handles a wide range of immigration issues including employment-based and family-based matters. Raney has also represented a several clients in...

Born in Austin, Texas. Lives in Dallas,Texas, and licensed to practice law by the State Bar of Texas since 1982. Undergraduate degree in Chemical Engineering from the University of Pennsylvania. Married with 2 children & 5 grandchildren. Areas of practice include Criminal Defense, DWI, Speeding & Traffic Tickets, Expungements and Non-Disclosures, License Suspension Hearings and Immigration. Bilingual staff (English & Spanish).

Michael Kelsheimer focuses his practice on the employment law needs of Texas businesses and executive employees. He recognizes that the cost and expense of litigation make resolving employment disputes challenging. To help avoid these concerns, he utilizes his experience in and out of the courtroom to prevent or quickly resolve employment disputes through proactive employer planning and timely advice. When a dispute cannot be avoided, Michael relies upon his prior experience as a briefing attorney for the United States District Court and his extensive experience in employment and commercial lawsuits to secure favorable resolutions for his clients. Michael has experience in...

Mr. Moster heads the Firm’s Oil & Gas Law Practice at our office in Midland – Odessa at the Claydesta Center (pictured below) in addition to its Intellectual Property practice with an emphasis on Artificial Intelligence. He has represented top computer scientists in the field. Mr. Moster’s experience over 33 years as an AV-rated lawyer is multifaceted. He commenced his practice as a business and litigation attorney for the U.S. Department of Commerce during the Reagan and Bush administrations focusing on industrial projects in excess of $1 Billion. He has represented Oil & Gas companies in diversified areas from production to...

Nathan Law, PLLC is a law firm based in Dallas, Texas that practices probate law, estate planning, real estate law, small business law, consumer law, and family law. We service our clients with professionalism, experience, and care. Nathan Law, PLLC offers cheap and inexpensive fixed flat fees for most of our legal services, as well as a cheap and low-cost hourly rate for contested legal matters, making Nathan Law, PLLC an affordable law firm for you and your family’s legal needs. Nathan Law, PLLC offers fixed flat fees for the below-listed services and uncontested matters. For contested matters, Nathan Law, PLLC charges...

Tiara A. Thomas is an attorney, speaker, and philanthropist. Throughout her career, she has helped her clients get the justice they deserve for being injured in both commercial and non-commercial vehicle crashes. In addition to personal injury, Tiara has represented clients in complex civil litigation claims, including breach of contract claims, civil fraud claims, Texas Deceptive Trade Practices Act claims, & more! In 2022, she was selected as a “Top 40 Under 40 Attorney,” an honor given to only the top 40 under 40 African American lawyers in each state or region with reputations for providing excellent legal representation in their...

Affectionately known as Lulu to her family and friends, Lucy Fitzhugh brings a unique blend of Southern charm, tenacity, and legal prowess to Punchwork Law. Born and raised in the historic city of Natchitoches, Louisiana, Lucy’s journey to becoming a trusted member of the legal community has been marked by a passion for justice and a commitment to excellence. After completing her undergraduate studies in psychology at Louisiana State University, Lucy embarked on a transformative journey that took her from the bayous of Louisiana to the bustling streets of California. While in California, she immersed herself in the world of equestrian...