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Haynes and Boone

Ellie Sowanick

Ellie Sowanick



  • Copyright
  • Domain Name Disputes
  • Intellectual Property
  • Patent Prosecution and Counseling

WSG Practice Industries


Haynes and Boone
Texas, U.S.A.

Ellie Sowanick is an associate in the Intellectual Property and Social Media Practice Groups in the Dallas office of Haynes and Boone. Her practice focuses on a variety of trademark, patent, copyright, and design patent matters. In trademark, she focuses on brand management, domain name enforcement, and Trademark Trial and Appear Board disputes. Ellie assists her clients in building and maintaining their brand identities and portfolios through the entire lifecycle of their brands and other IP rights. In particular, she assists in the clearance, procurement, prosecution, and enforcement of her clients' trademark and copyright registrations. Ellie also handles internet-related matters, such as domain name cybersquatting and manages Uniform Domain Name Dispute Resolution Policy (UDPRO) proceedings.

Ellie further provides value to her clients through the procurement and prosecution of patents and design patents. She also has experience in freedom-to-operate analyses and invalidity opinions, which enables her to advise clients regarding business and technology-related decisions.

Before joining the firm, Ellie attended the University of Texas School of Law where she was a John L. and Anne Crawford Endowed Presidential Scholar and served on the staff of the Texas Intellectual Property Law Journal. Ellie also holds a B.S. in Mechanical Engineering from the Cockrell School of Engineering at the University of Texas.

Bar Admissions

Texas, 2015


J.D., University of Texas at Austin School of Law, 2015, with honors; Texas Intellectual Property Law Journal
B.S., Mechanical Engineering, University of Texas at Austin, 2011, with honors
Areas of Practice

Copyright | Domain Name Disputes | Intellectual Property | Patent Prosecution and Counseling | Patents | Social Media | Trademark Cancellations and Oppositions | Trademark Litigation | Trademark Prosecution | Trademarks


U.S. Supreme Court Hears First Ever Teleconference Oral Arguments in USPTO v. Booking.com B.V. Trademark Case
Haynes and Boone, May 2020

On Monday, for the first time in history, the U.S. Supreme Court heard oral arguments via teleconference and live-streamed the conference call to the public. And, if that was not exciting enough, to kick off a planned two-week session of tele-arguments, the Court chose a case whose subject is relatable to the general public – domain names...


Haynes and Boone Blogs
Haynes and Boone 

Haynes and Boone Blogs includes the Firm Blog, IP Beacon: Patent Law Review, Practical Benefits Lawyer, Texas Insurance Academy and The Dec Sheet-Insurance Law

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