No. 18-1027October Term 2018Decided Apr 27, 2020
Superior Commc'ns, Inc. v. Voltstar Techs., Inc.
This case involves a legal dispute between Superior Communications and Voltstar Technologies that was appealed from the United States Court of Appeals for the Federal Circuit.
Case status
- Current stage
- Decided
- Latest event
- Decision released Apr 27, 2020
- What it's about
This case involves a legal dispute between Superior Communications and Voltstar Technologies that was appealed from the United States Court of Appeals for the Federal Circuit. The Supreme Court has granted certiorari to review the lower court's decision.
Question presented
Whether the Federal Circuit’s “all-elements rule” for patent infringement under the doctrine of equivalents—which requires that an accused product contain every element of a patent claim or its equivalent—is consistent with this Court’s precedent in Warner-Jenkinson Co. v. Hilton Davis Chemical Co., 520 U.S. 17 (1997), and Festo Corp. v. Shoketsu Kinzoku Kogyo Kabushiki Co., 535 U.S. 722 (2002)?
- Case path
United States Court of Appeals for the Federal Circuit / Decision released Apr 27, 2020
- Area
Decided Supreme Court case
Timing
Decided April 27, 2020
The Court released its decision on April 27, 2020 without hearing oral argument.
Related cases
Grounding
- Grounding
- Primary-source trail available.
- Note
- Plain-English explainer. Official filings and opinions remain authoritative.
- Checked
- Jul 25, 2026
- Method
- Methodology