Downing Wellhead Presses to Revive Fracking Patent Battle After PTAB Victory

Downing originally filed the patent suit in the U.S. District Court for the Western District of Texas in early 2023, accusing IWS of infringing these patents through the sale and deployment of similar hydraulic fracturing control systems. However, the case was stayed shortly after IWS challenged the validity of Downing’s patents at the PTAB.

Now, with the PTAB having ruled in favor of Downing — affirming the validity of all patent claims — the company argues that the litigation should resume immediately. In a recent court filing, Downing asserted that IWS's continued use of the allegedly infringing technology is causing it irreparable harm in a competitive and technology-driven marketplace.

“This case should no longer be in limbo,” Downing argued. “The PTAB proceedings have concluded, and our patent rights have been confirmed. It’s time for the district court to proceed so Downing can fully enforce its intellectual property rights.”

Despite Downing’s plea, IWS is expected to appeal the PTAB’s decision to the U.S. Court of Appeals for the Federal Circuit, potentially complicating the litigation timeline. IWS contends that any enforcement efforts in district court should be postponed until appellate review is complete.

Legal experts note that the case illustrates the tension between administrative patent review processes and traditional litigation pathways. “This is a classic example of how PTAB rulings and district court actions intersect,” said a Houston-based patent litigator familiar with the case. “Patent holders often lose years of enforcement time while PTAB proceedings unfold, even if they ultimately prevail.”

The outcome of the motion to lift the stay could shape future patent enforcement strategies in the oilfield services sector, particularly as companies invest heavily in real-time monitoring and automation in fracturing operations.

Downing’s efforts also signal that energy technology companies are increasingly willing to defend their patent portfolios aggressively — both before administrative tribunals and in courtrooms. The stakes are high, as control over patented fracking innovations can mean a competitive edge in an industry where margins and efficiency often make the difference between profit and loss.