Patent Case Watch

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

Fed. Cir.

Arunachalam v. Presidio Bank, No. 19-1223 (Fed. Cir. Feb. 13, 2020)

Affirmed
Invalidity (§ 102/§ 103) Infringement
Court
U.S. Court of Appeals for the Federal Circuit
Case No.
No. 19-1223
Also Docketed
No. 19-1794 (consolidated; same document)
Decided
February 13, 2020
Judge
Per curiam
Document
Nonprecedential Opinion
Length
7 pages

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

Dr. Lakshmi Arunachalam, proceeding pro se, appeals two decisions from the U.S. District Court for the Northern District of California. The first relates to a patent infringe- ment suit filed by Dr. Arunachalam against Presidio Bank. The second relates to a declaratory judgment action filed by SAP America, Inc. Both decisions concluded that Dr.

Download Opinion (PDF)

Source: govinfo.gov USCOURTS collection · retrieved July 23, 2026 · Report an error