Patent Case Watch

Patent opinions from the Eastern District of Texas and the U.S. Court of Appeals for the Federal Circuit

Weekly Digest
Fed. Cir.

FG SRC, LLC v. Microsoft Corporation, No. 20-1993 (Fed. Cir. May 6, 2021)

Affirmed
Rule 36 Affirmance
Court
U.S. Court of Appeals for the Federal Circuit
Case No.
No. 20-1993
Decided
May 6, 2021
Judge
Per curiam (Rule 36)
Document
Rule 36 Judgment
Length
2 pages
Download Opinion (PDF)

NOTE: This disposition is nonprecedential. United States Court of Appeals

for the Federal Circuit

FG SRC, LLC,

Appellant

v.

MICROSOFT CORPORATION,

Appellee

2020-1993

Appeal from the United States Patent and Trademark Office, Patent Trial and Appeal Board in No. IPR2018-01604.

JUDGMENT

JAY P. KESAN, DiMuroGinsberg, PC-DGKey IP Group, Tysons Corner, VA, argued for appellant. Also represented by CECIL E. KEY; ALFONSO CHAN, ARI RAFILSON, Shore Chan DePumpo LLP, Dallas, TX. CONSTANTINE L. TRELA, JR., Sidley Austin LLP, Chicago, IL, argued for appellee. Also represented by RICHARD ALAN CEDEROTH; SCOTT BORDER, TYLER J. DOMINO, JOSEPH A. MICALLEF, Washington, DC.

2THIS CAUSE having been heard and considered, it is ORDERED and ADJUDGED:

PER CURIAM (PROST, Chief Judge, LOURIE and

O’MALLEY, Circuit Judges).

AFFIRMED. See Fed. Cir. R. 36.

ENTERED BY ORDER OF THE COURT

May 6, 2021 /s/ Peter R. Marksteiner

Date Peter R. Marksteiner

Clerk of Court

Text extracted from the official PDF and reflowed for reading. It is not a certified transcript — the PDF linked above is the authoritative document.

Analysis is coming soon.

A plain-English account of the issues, facts and holding, written by Patent Case Watch. The opinion itself — its full text, its PDF and everything else on this page — stays free to read for everyone, always.

Cite this opinion

FG SRC, LLC v. Microsoft Corporation, No. 20-1993 (Fed. Cir. May 6, 2021).

Record ID
CAFC-20-1993-20210506
Permalink
https://patentcasewatch.com/opinions/CAFC-20-1993-20210506

No reporter citation is shown because the official source does not supply one; none is inferred here. Check the opinion and a citator before relying on this form.

Source: Federal Circuit opinions and orders · retrieved August 15, 2026 · Report an error