Court, Explained
U.S. Federal District Courts
Back to docket
N.D. Cal.Procedural orderFiled Dec. 26, 2025

Estech Systems IP, LLC v. Zoom Video Communications, Inc.

Judge
Edward Davila
Docket
5:24-cv-02528
Court
U.S. District Court · Northern District of California
Pages
11
Intellectual PropertyMotion to DismissCivil Procedure
In one sentence

In Estech Systems v. Zoom, Judge Davila granted Zoom’s motion to dismiss Estech’s patent claims, allowing amendment within 21 days.

Who this affects

Estech’s patent-infringement claims against Zoom were dismissed at the pleading stage, but Estech was allowed to file an amended complaint within 21 days. Zoom obtained dismissal of the motion’s challenged claims, subject to that opportunity to amend.

What happened

Estech Systems IP, LLC sued Zoom Video Communications, Inc., alleging infringement of three patents involving communications systems and voice-over-internet telephony. Estech amended its complaint after the court dismissed its original complaint.

The court found that Estech’s amended allegations did not plausibly show that Zoom’s products infringed the patents. The court identified problems with Estech’s theories for each patent and with its failure to distinguish among the many Zoom products and services it accused.

Judge Edward J. Davila granted Zoom’s motion to dismiss the direct- and indirect-infringement claims and granted Estech leave to amend. Any amended complaint must be filed within 21 days of the order.

The detailed version

For law students, journalists, and other readers who want the full reasoning

Case
Estech Systems IP, LLC v. Zoom Video Communications, Inc. · No. 5:24-cv-02528
Judge
Edward Davila
Date
Dec. 26, 2025

Background

Estech Systems IP, LLC sued Zoom Video Communications, Inc. for allegedly infringing three patents: U.S. Patent Nos. 8,391,298, 7,068,684, and 7,123,699. The patents concern systems and methods for communications across local area networks, including voice-over-internet telephony.

Zoom moved under Rule 12(b)(6), which allows dismissal when a complaint does not state a legally sufficient claim. Estech filed a First Amended Complaint after the court had dismissed its original complaint with leave to amend. The amended complaint included claim charts comparing patent claims with Zoom’s accused products and services.

Direct Infringement

The court explained that Estech did not need to prove infringement at the pleading stage. It needed to allege facts that made infringement plausible and gave Zoom fair notice of the conduct it was accused of committing.

The court rejected Zoom’s argument that the claim charts were automatically insufficient because Estech did not explain every screenshot. The amended complaint included narrative descriptions connecting parts of Zoom’s system to the patent language. The court therefore concluded that the screenshots’ lack of detailed explanation, standing alone, did not require dismissal.

The court nevertheless found other problems with the direct-infringement allegations. For the ’298 Patent, the court found that Estech’s theory was implausible because it alleged that Zoom’s cloud operated as a central hub for all users while also relying on a patent limitation requiring the display of separate local area networks. The court found the allegations for the ’684 Patent insufficient because Estech did not allege that Zoom integrated the relevant Session Initiation Protocol overload-control features into the accused products and services. For the ’699 Patent, the court found that the cited materials showed streaming of real-time calls or the ability to listen to stored voicemails, but did not plausibly show real-time streaming of voicemails from a server to a phone.

The court also found that Estech improperly grouped many different Zoom products and services together without explaining which products met which claim elements. Because those products and services had different features and functions, the court concluded that Estech did not give Zoom sufficient notice of the conduct it needed to defend against.

The court therefore granted Zoom’s motion to dismiss Estech’s claim for direct infringement. The court granted Estech leave to amend despite expressing skepticism that Estech would be able to correct the identified deficiencies.

Indirect and Willful Infringement

The court stated that Estech’s indirect- and willful-infringement claims also failed because Estech had not plausibly alleged direct infringement. The court expressly granted Zoom’s motion as to Estech’s claim for indirect infringement.

Disposition

The court granted Zoom’s motion to dismiss and granted Estech leave to amend. Any amended complaint must be filed within 21 days of the order.

The authoritative version

Read the full 11-page opinion on CourtListener, the free public archive maintained by the Free Law Project.

Open opinion PDF →
Summary written with AI assistance. See how summaries are made. Spot something wrong? Tell us.