Mikele Bicolli
Sep 27, 2023
Featured

CAFC's Evolving Stance on Patent Eligibility: Implications for Appeals

 

 

The United States Court of Appeals for the Federal Circuit (CAFC) has been at the forefront of shaping patent law in the United States. Among the many facets of patent law that CAFC has influenced, one of the most dynamic and consequential is its stance on patent eligibility. This evolving stance on what inventions can be patented under 35 U.S.C. § 101 has significant implications for appeals arising from District Courts and decisions made by the Patent Trial and Appeal Board (PTAB).

The Historical Context

To understand the CAFC's evolving stance on patent eligibility, it's essential to consider the historical backdrop. Patent eligibility is a foundational concept in patent law, dictating what types of innovations are eligible for patent protection. Historically, patent eligibility was interpreted broadly, allowing for the patenting of many types of inventions.

However, over the past decade, the CAFC, along with the Supreme Court, has narrowed the scope of patent eligibility significantly. This shift was highlighted in key decisions such as Alice Corp. v. CLS Bank International (2014) and Mayo Collaborative Services v. Prometheus Laboratories, Inc. (2012), which introduced a two-step test for patent eligibility. Under this test, patents are scrutinized to determine if they involve abstract ideas, laws of nature, or natural phenomena. If so, they must then demonstrate an inventive concept that transforms the ineligible subject matter into something patentable.

Implications for District Court Appeals

The CAFC's evolving stance on patent eligibility has profound implications for appeals from District Courts. When a District Court renders a decision on patent eligibility, it often sets the stage for the subsequent CAFC appeal. Patent holders and challengers alike must grapple with the shifting landscape of patent eligibility jurisprudence.

For patent holders, securing a patent with a broad and commercially valuable scope has become more challenging. The CAFC's strict approach to patent eligibility means that many patents, particularly those related to software and biotechnology, may be deemed invalid. Appeals from District Court decisions on patent eligibility involve intricate legal arguments and necessitate a deep understanding of recent CAFC decisions.

On the other hand, for challengers of patents, the evolving patent eligibility doctrine provides an avenue to challenge patents that may have been granted more liberally in the past. District Court decisions that invalidate patents on eligibility grounds are frequently appealed to the CAFC, where they are subject to review.

Implications for PTAB Appeals

The PTAB, established by the America Invents Act (AIA), is tasked with conducting administrative proceedings to review the validity of patents, including inter partes reviews (IPRs) and post-grant reviews (PGRs). PTAB decisions on patent eligibility often intersect with CAFC jurisprudence, particularly when appeals are made.

As with appeals from District Courts, appeals from PTAB decisions involving patent eligibility are influenced by the CAFC's evolving stance. PTAB decisions may invalidate patents based on eligibility grounds, and these decisions can subsequently be appealed to the CAFC. The PTAB, in essence, acts as a gateway for patent disputes to reach the CAFC, making it an integral part of the patent litigation landscape.

 

The CAFC's evolving stance on patent eligibility is a dynamic and influential force in the world of patent law. Its impact reverberates through appeals from District Courts and PTAB decisions. Patent holders, challengers, and legal practitioners must navigate this evolving landscape with a keen awareness of recent CAFC decisions to maximize their chances of success in patent appeals. As patent eligibility jurisprudence continues to evolve, the implications for patent appeals remain a vital area of interest and contention in the world of intellectual property law.