Taasera Licensing LLC filed Taasera Licensing LLC v. Zoho Corporation Private Limited, No. 2:26-cv-00824 (E.D. Tex.), on September 15, 2026, before Judge Rodney Gilstrap.

Patents and accused products

The complaint asserts U.S. Patent 7,673,137 (System and method for the managed security control of processes on a computer system), U.S. Patent 8,055,996 (Lightweight form pattern validation), and U.S. Patent 8,850,517 (Runtime risk detection based on user, application, and system action sequence correlation). Accused instrumentalities include ManageEngine Log360, Zoho Forms, ManageEngine Endpoint products, and associated components named in the complaint.

What the patents cover

U.S. Patent 7,673,137 covers controlling which processes can run on a computer under managed security rules. U.S. Patent 8,055,996 covers validating user-entered form data against patterns without heavy client software. U.S. Patent 8,850,517 covers scoring runtime risk from user, application, and system signals.

U.S. Patent 7,673,137 covers a protector system that first checks whether a program was previously approved and unaltered, then - if it cannot be validated - monitors kernel-level activity so suspicious actions can be stopped before they harm the device.

Asserted claims of the '137 patent. At least claim 1.

Claim 1 covers a security system that watches when a new program starts loading, checks whether the program is valid, intercepts an OS trigger, and then monitors the program at the kernel while it runs.

U.S. Patent 8,055,996 covers validating form-field values in the browser against a validation pattern via a lightweight validation library coupled to the rendered markup, including repeating the check across additional fields in a validation shell function.

Asserted claims of the '996 patent. At least claim 1.

Claim 1 covers a lightweight browser-side form validator: a validation processor separate from the page markup, a local validation-script library, a library reference in the markup, and a call that checks field input against a validation pattern.

U.S. Patent 8,850,517 covers assessing runtime risk for an application or device by matching action sequences (user, application, or system) to stored rules and policies, then assigning a behavior score that predicts a specific threat type.

Asserted claims of the '517 patent. At least claim 1.

Claim 1 covers assessing runtime risk for an app by storing action-sequence rules and assessment policies, identifying a runtime risk from those policies, and scoring the app's behavior with a runtime monitor.

What the lawsuit is about

Taasera is tying Zoho's forms and ManageEngine security and logging tools to older enterprise-security and form-validation patents. The complaint treats Zoho's cloud suite as practicing those claim 1 methods and systems.

What it means

This is an EDTX assertion against a foreign SaaS vendor. Expect Zoho to challenge personal jurisdiction and venue theories and the fit between modern cloud products and these claim sets.

What to watch next

Watch for Zoho's answer or Rule 12 motions after service, and for any IPR activity on the three patents.