Patent Trial and Appeal Board Upholds Validity of Gunnar Energy Services’ Core Magnetic Ranging Patent

BAKERSFIELD, CA – December 26, 2025 — Gunnar Energy Services (“Gunnar”), a leader in magnetic ranging technology, today announced that the Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office (USPTO) has denied a challenge by Scientific Drilling Incorporated (“SDI”) to Gunnar’s U.S. Patent No. 12,110,780, which covers unique systems and methods for ranging while drilling using wired pipe and coiled tubing.

The PTAB’s decision in PGR2025-00061, issued on December 23, 2025, confirms that SDI’s petition did not establish that any of the challenged claims were “more likely than not” unpatentable, reaffirming the strength and validity of Gunnar’s innovation. The ruling provides clarity and confidence for customers, partners, and stakeholders relying on Gunnar’s patented technology.

The validity of this patent supports Gunnar’s strategic position in advancing magnetic ranging solutions that improve drilling accuracy and operational insight. This outcome enables Gunnar to continue its investment in science-driven technologies designed to enhance environmental outcomes and operational safety in subsurface energy applications.

“We welcome the PTAB’s decision and view it as validation of the technical rigor of our patented inventions,” said Clinton Moss, President of Gunnar Energy Services. “This ruling not only reinforces the strength of our intellectual property but also underscores our commitment to driving forward innovation in magnetic ranging for the benefit of our customers and the industry.”