Introduction
KSR International Co. v. Teleflex Inc., 550 U.S. 398 (2007), involved an adjustable vehicle pedal assembly combined with an electronic sensor. This is a review of a landmark decision, not a report of a new ruling. The case illustrates why a patent applicant must address the reasoning behind a proposed combination, not merely insist that the exact arrangement was absent from a single earlier reference.
Key Takeaways
- The Supreme Court rejected a rigid teaching-suggestion-motivation requirement.
- Predictable combinations of familiar elements may be obvious.
- The inquiry still requires analysis that avoids unsupported hindsight.
Background and legal issue
The dispute concerned a claim combining an adjustable pedal with an electronic throttle-control sensor. The question was how the obviousness requirement should apply to a combination of known components.
The Court considered the Federal Circuit’s use of the teaching-suggestion-motivation test and its relationship to the broader framework in Graham v. John Deere.
The decision and reasoning
The Supreme Court reversed the Federal Circuit and held the asserted claim obvious on the record before it. The Court emphasized an expansive and flexible approach rather than a rigid formula.
Market pressures, design needs and ordinary creativity can be relevant. Combining familiar elements according to known methods is likely obvious when it yields predictable results. But the analysis should identify a reasoned basis, not merely announce that a combination seems obvious after the fact.
Practical Implications
Applicants should describe meaningful technical distinctions and supporting results. Patent owners should consider how the record supports the claimed combination and any objective evidence of nonobviousness.
Businesses evaluating new products should not equate the absence of an identical prior-art embodiment with patentability. In prosecution, a response should engage with the actual rationale, relevant technical facts and claim scope. Later precedent and the particular record must also be considered; this case alone does not decide every obviousness question.
Conclusion
KSR established a flexible approach to obviousness that remains important to patent strategy. Its lessons should be applied to the particular claims and evidence, with attention to later precedent rather than as a universal outcome.

Attorney Bio
Cary W. Brooks, Registered Patent Attorney
Founder of BrooksGroup. His experience includes patent prosecution and litigation, and 16 years as a patent attorney at General Motors.
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This article is provided for general informational purposes and does not constitute legal advice. Reading this article does not create an attorney-client relationship.
