USPTO serial 99100567
DIAGONAL
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Aug 25, 2026
- Examiner
- FROMM, MARTHA L
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
Status 700 means the trademark is registered and active on the Principal Register. You have nationwide rights for the listed goods and services and may use ®. Section 8 maintenance is due between years five and six. Calendar Section 8 between years five and six, and consider trademark monitoring.
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Current trademark owner
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File a new U.S. trademark application, or speak with our attorneys.
Owner
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Francis P. Cislak
Francis P. Cislak Barnes & Thornburg LLP11 South Meridian StreetIndianapolis, IN 46204United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | 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 | ACTIVE | Jul 25, 2025 |
| 042 | 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 | ACTIVE | May 19, 2025 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by Diagonal Software Corp.
- Other trademarks owned by Diagonal Software Corp.
- Other trademarks owned by Diagonal Software Corp.
- Other trademarks in Class 009
- Other trademarks in Class 042
- Similar marks named DIAGONAL
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Aug 25, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Aug 25, 2026 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Aug 5, 2026 | SUNA | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED | — |
| Aug 5, 2026 | CNPR | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED | — |
| Aug 4, 2026 | SUPC | STATEMENT OF USE PROCESSING COMPLETE | — |
| Jun 10, 2026 | IUAF | USE AMENDMENT FILED | — |
| Jun 10, 2026 | EISU | TEAS STATEMENT OF USE RECEIVED | The applicant filed a Statement of Use with specimens showing the mark in actual commerce. The USPTO will review the filing for compliance. If accepted, the mark can proceed to registration; if deficient, the USPTO may issue a requirement or office action. |
| May 12, 2026 | NOAM | NOA E-MAILED - SOU REQUIRED FROM APPLICANT | A Notice of Allowance means your intent-to-use application cleared examination and opposition but is not registered yet. You must file a Statement of Use showing the mark in commerce, or request an extension, before the deadline — usually six months from the notice date. |
| Mar 17, 2026 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Mar 17, 2026 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Mar 11, 2026 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Feb 24, 2026 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jan 28, 2026 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Jan 28, 2026 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Jan 28, 2026 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Oct 29, 2025 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Oct 29, 2025 | GNRT | NON-FINAL ACTION E-MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Oct 29, 2025 | CNRT | NON-FINAL ACTION WRITTEN | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |
| Aug 22, 2025 | DOCK | ASSIGNED TO EXAMINER | — |
| Mar 24, 2025 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Mar 24, 2025 | NWAP | NEW APPLICATION ENTERED | — |
| Mar 24, 2025 | MAFR | APPLICATION FILING RECEIPT MAILED | — |