TOCMAIL, INC. v. MICROSOFT CORP.

No. 22-10223.

67 F.4th 1255 (2023)

TOCMAIL, INC., Plaintiff-Appellant, v. MICROSOFT CORP., a Washington corporation, Defendant-Appellee.

United States Court of Appeals, Eleventh Circuit.

Filed: April 25, 2023.


Attorney(s) appearing for the Case

Perry S. Clegg , Johnson & Martin, PA, Salt Lake City, UT, Joshua D. Martin , Johnson & Martin, P.A., Ft. Lauderdale, FL, Robin Felicity Hazel , Hazel Law, PA, Hollywood, FL, for Plaintiff-Appellant.

Brigid Finerty Cech Samole , Evelyn Cobos , Bethany Jane Matilda Pandher , Elliot H. Scherker , Greenberg Traurig, PA, Miami, FL, Mary-Olga Lovett , Rene Trevino , Greenberg Traurig, LLP, Houston, TX, Francisco O. Sanchez , Homer Bonner Jacobs, Miami, FL, for Defendant-Appellee.

Before Newsom, Luck, and Tjoflat, Circuit Judges.


Microsoft Corporation offers email security software to shield users from cyberthreats. TocMail, Inc. is a relative newcomer to the cybersecurity scene and offers a product geared towards a specific type of threat called Internet Protocol (IP) evasion. TocMail launched its IP-evasion product, got a patent, and then sued Microsoft for false...

Let's get started

Leagle.com

Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.

  • Updated daily.
  • Uncompromising quality.
  • Complete, Accurate, Current.

Listed below are the cases that are cited in this Featured Case. Click the citation to see the full text of the cited case. Citations are also linked in the body of the Featured Case.

Cited Cases

  • No Cases Found

Listed below are those cases in which this Featured Case is cited. Click on the case name to see the full text of the citing case.

Citing Cases