Calliham Intellectual Property Lawyers

Professional Licenses and Court Admissions: U.S. Court of Appeals for the Federal Circuit, United States District Court for the Western and Northern Districts of Texas, United States Patent & Trademark Office, all Courts of the State of Texas.

Education: Doctor of Jurisprudence, cum laude, from the University of Houston, Master of Science in Electrical Engineering and Bachelor of Electrical Engineering, with honor, from the Georgia Institute of Technology.

Legal Experience: Specializing in Patent Law, including patent drafting, prosecution and procurement, in the United States and in other countries. Technical areas of expertise include wireless communications, digital signal...

Dallas native, born and raised Started undergraduate studies as a pre-med student before switching to International Relations and finding my passion in law school Litigator with background in both employment law and commercial litigation representing small and mid-sized business, as well as Fortune 500 companies in cutting edge high stakes litigation.

Shawn’s practice includes a wide variety of civil litigation including: intellectual property litigation (patent, trademark, and trade secret), commercial litigation, personal injury, wrongful death, civil rights, and employment law. This broad practice has given him experience in many different aspects of litigation including: case assessment and research, discovery, motion practice, trial preparation, hearing presentation, and trial presentation. Shawn has tried multiple jury trials to successful verdict as lead trial counsel and has been selected by Thomas Reuters as a Rising Star in 2014, 2015, 2016, 2017, and 2018.

I am a dynamic and highly strategic corporate attorney with over 9 years of commercial contract expertise and a proven track record of balancing legal and business priorities to facilitate purposeful growth. I work with owner operated businesses from start-up to sale. I guide businesses through entity formation, contract package formation, contract review and negotiation, employment policy formation, hiring practice formation, employee categorization, employee termination, and eventual sale. I earned my Juris Doctorate degree in 2013 from The University of Colorado Law School and my Bachelor of Science degree in Corporate Communication, as well as a Business Foundation Certification, from The...

Stephen Kennedy has been practicing law since 1988 in the areas of general litigation, intellectual property and related business areas. He has an AV rating from Martindale Hubbell, is a Texas Super Lawyer and is a member for the Dallas Bar Association Ethics Committee.

Sanford Holmes is a Senior Attorney at Sul Lee Law Firm PLLC with nearly 20 years of civil litigation experience. Since launching his practice in 2008, he has represented businesses of all sizes across Texas in a wide range of commercial litigation matters, including real estate, white collar defense, construction law, trademark enforcement, and more. A graduate of Rice University and George Washington University Law School, he is licensed to practice in Texas and in the U.S. District Court for the Northern District of Texas. His experience founding and running his own law firm gives him valuable insight into the...

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...

Attorney Mark Nacol has been serving clients in the Dallas / Fort Worth Metroplex for over 30 years. Mark offers legal advice and representation in a broad scope of practice areas, with an emphasis on the following: - Civil Litigation - Commercial Litigation - Family Law & Divorce - Fathers Rights - Business Transactions - Intellectual Property - Probate Law and Will Contests - Real Estate Litigation Mark Nacol has a reputation as a smart and tough advocate who has a natural ability to communicate...

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...

Travis Westbrook is an attorney in The Woodlands, Texas. He focuses his practice on estate planning, intellectual property, and business law. He is admitted to practice in Texas and the United States Patent and Trademark Office. He received a B.S. from Texas A&M University in College Station and a J.D. from Baylor Law School in Waco.

I have a wide and varied practice in the commercial litigation, entertainment and technology fields. In the area of commercial litigation, I have broad experience involving creditor's rights, real estate litigation, commodities fraud cases, insurance coverage disputes (on behalf of policy holders), employment litigation (particularly with noncompete and non-solicitation agreements), and a host of other business torts and contractual disputes. I also maintain a nationwide intellectual property and entertainment litigation practice, having handled cases in New York, Los Angeles, Chicago, and Nashville, in addition to those in cities throughout Texas. I have extensive experience prosecuting and defending copyright and trademark infringement...

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...

I bring a distinctive combination of legal and scientific knowledge to my practice, primarily focusing on but not limited to intellectual property and corporate transactions for clients in the technology, life sciences, and healthcare industries. With a Master of Science in Biotechnology and a Juris Doctor, I am well-prepared to guide clients through complex IP strategies and business development issues, utilizing my dual background in law and science. In my current position, I assist clients in understanding the complexities of intellectual property protection and corporate transactions. I help with filings at the United States Patent and Trademark Office (USPTO) and advise...

Prior to starting his law firm, Victor provided trusted IP counsel to large multinational corporations, serving as in-house Chief Patent Counsel for National Oilwell Varco in Houston, as in-house IP Counsel for Schlumberger in Sugar Land, Texas, and as an associate with the Arnold, White & Durkee law firm in Houston. Before practicing law, Victor served as a helicopter crew chief in the U.S. Marine Corps, attaining an Honorable Discharge following his tour of duty.

Kenichi Yagi is an experienced corporate transactional attorney for Adair Myers Stevenson Yagi. He focuses his practice on commercial litigation and advises domestic and international clients in corporate matters, intellectual property disputes, personal injury, premises liability, products liability, insurance coverage, family law, real estate, employment law, and debt collections. Mr. Yagi was born in Japan and moved to the United States when he was a teenager. He graduated high school in the United States and attended the University of Massachusetts at Lowell where he earned a Bachelor of Arts degree. Mr. Yagi graduated magna cum laude and was a member...

Alex Shahrestani is the managing partner of Promise Legal PLLC, a law firm dedicated to providing cutting-edge legal solutions for tech startups and emerging businesses. With a background in computer science and law, Alex specializes in intellectual property, data privacy, and startup law, leveraging his technical expertise to deliver innovative, client-focused legal strategies. A thought leader in the tech-legal space, Alex has contributed to key industry conversations through roles at SXSW, EFF-Austin, and the State Bar of Texas. At Promise Legal, he spearheads the integration of technology into legal practice, offering efficient and cost-effective solutions to empower innovators and drive...

I represent both individuals and businesses, in areas such as: - Personal injury (car/truck accidents, DWI, motorcycle, slip-and-fall cases, on-the-job injuries, etc.). - Businesses needing help with corporate formation, protection of intellectual property, contract review, etc. - Litigation on behalf of both businesses and consumers in all types of disputes.

As a seasoned Intellectual Property attorney, I bring a dynamic blend of litigation expertise, strategic advocacy, and a passion for client success. With a career spanning federal and state courts, the USPTO Trademark Trial and Appeal Board, and cross-border legal landscapes, I focus on safeguarding my clients' interests and work tirelessly to resolve complex disputes with precision and integrity. Whether it involves safeguarding creative and innovative assets—such as trademarks, copyrights, and trade secrets—or defending against claims of infringement, unfair competition, or trade secret misappropriation, I work diligently to address each challenge. My approach centers on understanding each client’s unique goals, crafting...

Attorney Wes Hazen comes from a working class family and strives to serve as a role model not only within the legal community but more importantly, his local community in South Austin. For many, the assistance of "quality" legal services is often correlated with the pedigree of an attorney, the prestige of the firm they work with, or the sheer experience a particular practitioner may possess. All fine attributes to possess, but not entirely what truly matters in the practice of law. The true measure of greatness in practicing law, I believe, boils down to three relatively simple principles. First...

I was born and raised in the farmlands of the Midwestern United States. I earned an Associate in Science degree from Lincoln Trail College, marking a significant milestone as the first person in my family to obtain a college degree. My educational journey continued at Southern Illinois University, where I achieved both a Bachelor of Science and a Master of Science in Organic Chemistry. My legal education began at the University of Houston and concluded at Indiana University School of Law in Indianapolis, Indiana, where I graduated with a Juris Doctorate cum laude in 2008. During my time in law school,...

HAYES HUNTER PC has the legal knowledge, skills, and experience to advise clients on Personal Injury and Auto Accident matters in the Houston area.

HAYES HUNTER PC has lawyers with over 15 years of experience in business litigation.

I litigate, arbitrate, and try multimillion dollar disputes for individuals and businesses located in the United States and abroad. I have experience in a wide array of legal and procedural areas including: pharmaceutical, product liability, and environmental torts; multidistrict and class action cases involving antitrust, securities, and consumer fraud violations; individual personal injury and wrongful death claims arising from general negligence, medical malpractice, toxic exposures, defective products (drugs, autos, medical devices); lawsuits on behalf of businesses, partnerships, and franchisees for damages related to fraud, breach of fiduciary duty, breach of contract, and statutory claims; and claims for ...

As the Crosier Law Firm’s Managing Attorney, Robbie Crosier has had the pleasure of serving as corporate counsel for startups and early-stage companies from more than 25 different industries, including artificial intelligence (A.I.), e-commerce, content creation, sports, music, fashion, and real estate. To date, Robbie has provided expert counsel for client ventures and transactions collectively valued at over $10 million. Robbie graduated an Honors Scholar with Distinction from Baylor University’s University Scholars Program. He then went on to receive his Juris Doctor from Texas A&M University School of Law, where his passion for partnering with growing companies and startups was...

John Wilson | Dallas Intellectual Property, Business Litigation & Family Law Attorney John Wilson is the owner of Wilson Legal Group P.C. (dba Wilson Whitaker Rynell) and a go-to Dallas intellectual property and business litigation attorney. A former Dow Chemical computer programmer, he bridges technology and law to protect innovation and resolve complex disputes. Before founding the firm, Mr. Wilson served in the legal department of North Networks Corporation (Enterprise Division), worked at Jenkens & Gilchrist P.C., and became a senior associate at Fish & Richardson P.C. Intellectual Property: Patent and trademark strategy, prosecution, licensing, portfolio management, IP litigation, and trade secret...

RUDY BEUTTENMULLER, born St. Louis, Missouri, December 20, 1953; admitted to bar, 1980, Texas. Also admitted to U.S. District Court, Northern District of Texas; U.S. Bankruptcy Court, Northern District of Texas; U.S. District Court, Eastern District of Texas; U.S. Bankruptcy Court, Eastern District of Texas; U.S. District Court, Western District of Texas; U.S. Tax Court. Education: Princeton University (B.A., cum laude, 1976); Duke University (J.D., with distinction, 1980). Staff Member, 1978-1979 and Articles Editor, 1979-1980, Duke Law Journal. Author: Comment, "The Goal of The New Premerger Notification Requirements: Preliminary Relief Against Anticompetitive Mergers," Duke Law Journal 249, 1979....

Carl L. Evans, Jr. is an Equity Partner at McCathern in the law firm's Dallas, Texas office and he practices in the areas of non-subscriber employer defense, trucking, liquor liability, employment, commercial, construction, subrogation, tort and insurance litigation. Mr. Evans has an extensive litigation and trial background, having tried numerous cases in state and federal courts. He has also obtained defense verdicts in arbitrations involving claims of fraud, negligence, breach of contract and breach of warranty. In addition, Mr. Evans has successfully represented numerous clients in summary judgment motions that have included claims for bad faith, fraud, negligence, premises liability,...

Summary Statement Matthew E. Yarbrough is a renowned expert in digital discovery. He has 20 years legal and investigative experience working both as an Assistant U.S. Attorney and in private legal practice. He is a trial lawyer with extensive jury trial experience in both civil and criminal matters. The Yarbrough Law Group focuses on complex business litigation, including intellectual property, cybercrimes, government investigations, internal investigations, financial fraud, and technology-related litigation. Mr. Yarbrough served as head of the Cybercrimes and Criminal Intellectual Property Task Force for the Department of Justice and was tapped by former Texas Attorney General John Cornyn to be...

My practice focuses on intellectual property, technology, and business. I help my clients optimize the impact of intellectual property and technology on their businesses: I assess and address business threats and opportunities; I facilitate the transfer of technology and intellectual property rights; I litigate commercial and intellectual property disputes. Before becoming an attorney, I worked as a physicist developing instruments and signal processing methods for use in geophysical imaging. I specialized in instruments and methods based on nuclear-physics and radiation-detection principles (e.g., nuclear magnetic resonance, gamma-ray spectroscopy, neutron-induced nuclear excitation and radiative decay, neutron and gamma-ray transport...

Roslyn Bazzelle Mitchell is the Founder and Managing Attorney of RBM Law Group. She formed RBM Law Group as a boutique firm providing personalized legal services to meet the ever-changing needs of her clients. With over two decades of legal experience handling corporate, real estate and intellectual property matters, her goal is to help her clients do what they do best, which is operate their businesses, while she supports and handles their legal needs. She is driven by her own passion for business and creativity to chart a path toward establishing a more diverse, inclusive and equitable...

If you are looking for a trustworthy Texas civil litigation lawyer in the Houston area, you should look no further than The Brennan Law Firm, LLC. It is critical that you know where you can turn to receive the help you need for matters pertaining to business law and litigation. Mr. Brennan has experience with intellectual property disputes, restrictive covenants ("noncompetes"), trademark disputes and partnership disputes and is prepared to take on your case and fight for your rights. In addition, it is absolutely critical that you receive the help you need for matters pertaining to creditor rights and real...