Rising Preference for Reexaminations Over PTAB Trials Highlights 2025 Patent Litigation Trends

The landscape of patent litigation and review continues to shift, as evidenced by the recent trends reported for 2025. The Patent Trial and Appeal Board (PTAB) saw a decline in petition filings, contrasting sharply with a notable rise in ex parte reexaminations, which surged by 66% from the previous year. This shift, documented in a comprehensive report from Unified Patents, highlights a growing preference for reexamination processes over PTAB interventions. These proceedings, often perceived as a more cost-effective and less adversarial route, are gaining traction among patent holders seeking reassessment without the confrontation of a PTAB trial.

In tandem with these developments, there has been an uptick in new patent infringement lawsuits filed. The increase in litigation comes as companies seek to protect their intellectual property assets more aggressively, a trend that could be driven by the increasing complexity of patent portfolios in tech-driven industries. The strategic filing of such suits is expected to have a cascading impact on how corporations manage their intellectual property risk and develop their patent strategies.

Patent experts attribute these trends to several underlying factors, including recent changes in patent law and policy, as well as the evolving economic landscape. The growing emphasis on intellectual property rights as critical business assets has led enterprises to reassess how they enforce and defend their patents. The shift towards reexaminations rather than PTAB filings could be a reflection of the need for more streamline processes.

This shift is further nuanced by the global dynamics of patent policies and cross-border technology transfers, which continue to challenge traditional approaches to patent litigation and enforcement. As the patent landscape evolves, companies and legal practitioners must remain vigilant, adapting to these changes to maintain a competitive edge in the market.

For a deeper analysis, insights from the original report illustrate the broader implications for the industry and underscore the necessity of strategic planning in response to these legal trends.