DIAGONAL
Live / Allowed — Published for opposition (as of 17 Mar 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 24 Mar 2025 filing date already counts against anyone who files later.
Record
- Serial number
- 99100567
- Mark type
- Stylized text
- Filed
- 24 Mar 2025
- Published for opposition
- 17 Mar 2026
- Attorney of record
- Francis P. Cislak
Goods and services
- Class 009 — Scientific and electric apparatus: Downloadable computer software for computer system and application development, deployment and management; Downloadable application programming interface (API) software; Downloadable computer e-commerce software to allow users to perform electronic business transactions via a global computer network; Downloadable computer software development tools; Downloadable computer software using artificial intelligence (AI) for automating business operations and generating custom software solutions
- Class 042 — Scientific and technological services: Computer software design services; Software design and development; Custom design of computer software; Software as a service (SAAS) services featuring software for businesses to create custom software solutions; Software as a service (SAAS) services featuring software for hosting computer software applications for others; Software as a service (SAAS) services featuring software for creating, designing, publishing, modifying, managing, maintaining, updating, and delivering content via the Internet; Software as a service (SAAS) services featuring software for managing and optimizing website content and website performance; Software as a service (SAAS) services featuring software for use in the creation, design, and content management of websites; Software as a service (SAAS) services featuring software for users to access payment processing, schedule, logistics, and communication tools; Software as a service (SAAS) services featuring software for dynamically generating personalized or customized software solutions for industry-specific use cases; Software as a service (SAAS) services featuring software for automating business workflows, managing third-party integrations, and synchronizing data across platforms; Web site hosting services; Computer services, namely, cloud hosting provider services
Owner
- Diagonal Software Corp., St. Paul, MN, US
- Diagonal Software Corp., St. Paul, MN, US
Prosecution history
- 17 Mar 2026 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 17 Mar 2026 — PUBLISHED FOR OPPOSITION
- 11 Mar 2026 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 24 Feb 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 28 Jan 2026 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 28 Jan 2026 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 28 Jan 2026 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 29 Oct 2025 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 29 Oct 2025 — NON-FINAL ACTION E-MAILED
- 29 Oct 2025 — NON-FINAL ACTION WRITTEN
- 22 Aug 2025 — ASSIGNED TO EXAMINER
- 24 Mar 2025 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 24 Mar 2025 — NEW APPLICATION ENTERED
- 24 Mar 2025 — APPLICATION FILING RECEIPT MAILED