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Thaler v. Vidal

Citation: Not availableDocket: 21-2347

Court: Court of Appeals for the Federal Circuit; August 5, 2022; Federal Appellate Court

Original Court Document: View Document

Narrative Opinion Summary

In a legal dispute concerning the eligibility of artificial intelligence (AI) systems to be designated as inventors on patent applications, the Federal Circuit Court upheld the decision of the United States Patent and Trademark Office (PTO) and the U.S. District Court for the Eastern District of Virginia. The appellant, who had submitted patent applications naming an AI system, DABUS, as the sole inventor, challenged the PTO's rejection based on the statutory requirement that an inventor must be a natural person under the Patent Act. The District Court, through summary judgment, affirmed the PTO's decision, concluding that the term 'inventor' unambiguously refers to human beings. Upon appeal, the Federal Circuit applied a de novo review standard, consistent with the Administrative Procedure Act, and found that the PTO's determination was neither arbitrary nor capricious. The court referenced statutory language, Supreme Court precedent, and the Dictionary Act to support its interpretation that 'individual,' as used in the Patent Act, denotes a human being. The court dismissed arguments concerning policy objectives for AI-generated inventions and constitutional challenges, affirming the statutory framework established by Congress. The ruling maintains the exclusion of AI systems from being recognized as inventors, affirming the district court's judgment and assigning costs to the appellant.

Legal Issues Addressed

Administrative Procedure Act (APA) Review Standard

Application: Under the APA, the court reviews whether the PTO's decision was arbitrary, capricious, or exceeded statutory authority, concluding it was in accordance with the law.

Reasoning: The appellate review follows the Fourth Circuit's de novo standard for summary judgment. The court may overturn an administrative decision only if it is arbitrary, capricious, or exceeds statutory authority.

Constitutional Authority of Congress in Defining 'Inventor'

Application: The court finds that Congress has the constitutional authority to limit inventorship to natural persons without violating constitutional principles.

Reasoning: Thaler’s claim regarding the constitutional purpose of patents is countered by the assertion that Congress has the authority to define inventorship, and limiting it to humans is not unconstitutional.

Definition of 'Inventor' under the Patent Act

Application: The case establishes that under the Patent Act, an 'inventor' must be a natural person, thus excluding AI systems from being recognized as inventors.

Reasoning: The Federal Circuit Court affirmed the lower court's decision, agreeing that the statutory definition of 'inventor' is limited to human beings.

Scope of the Patent Act's Inventorship

Application: The Patent Act's language and structure consistently indicate that inventors must be human beings, supporting statutory and judicial precedents.

Reasoning: The Court emphasizes that the unambiguous language of the statute resolves the issue without needing further statutory construction.

Statutory Interpretation of 'Individual' in the Patent Act

Application: The court interprets 'individual' as referring to a human being, consistent with Supreme Court guidance and common usage, thus excluding AI from inventorship.

Reasoning: The Supreme Court has clarified that it typically refers to a human being. This interpretation is supported by common usage and dictionary definitions, reinforcing that 'individual' denotes a single human being.