TESTµ Trademark
Trademark Overview
On Monday, November 24, 2025, a trademark application was filed for TESTµ with the United States Patent and Trademark Office. The USPTO has given the TESTµ trademark a serial number of 99513803. The federal status of this trademark filing is WITHDRAWN BEFORE PUBLICATION as of Tuesday, May 26, 2026. This trademark is owned by Lambdatest, Inc.. The TESTµ trademark is filed in the Computer & Software Products & Electrical & Scientific Products and Computer & Software Services & Scientific Services categories with the following description:
Computer software applications, downloadable, for web and mobile app testing; Downloadable mobile applications for web and mobile app testing; Recorded computer software platforms for web and mobile app testing; Computer software platforms, recorded, for web and mobile app testing; Computer software platforms, downloadable, for web and mobile app testing
Computer programming and computer system analysis; Computer programming; Computer software design; Maintenance of computer software
General Information
| Serial Number | 99513803 |
| Word Mark | TESTµ |
| Filing Date | Monday, November 24, 2025 |
| Status | 692 - WITHDRAWN BEFORE PUBLICATION |
| Status Date | Tuesday, May 26, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Pseudo Mark | TESTMU; TEST MU; TESTMICRO; TEST MICRO |
| Goods and Services | Computer software applications, downloadable, for web and mobile app testing; Downloadable mobile applications for web and mobile app testing; Recorded computer software platforms for web and mobile app testing; Computer software platforms, recorded, for web and mobile app testing; Computer software platforms, downloadable, for web and mobile app testing |
| Goods and Services | Computer programming and computer system analysis; Computer programming; Computer software design; Maintenance of computer software |
| Description of Mark | The mark consists of the word "TEST" with the Greek "Mu" symbol immediately following the word "TEST". |
Classification Information
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, November 24, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, November 24, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Lambdatest, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | San Francisco, CA 94104
US |
Trademark Events
| Event Date | Event Description |
| Monday, November 24, 2025 | NEW APPLICATION ENTERED |
| Monday, November 24, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, February 12, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Sunday, March 29, 2026 | ASSIGNED TO EXAMINER |
| Monday, May 4, 2026 | NON-FINAL ACTION WRITTEN |
| Monday, May 4, 2026 | NON-FINAL ACTION E-MAILED |
| Monday, May 4, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, May 6, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Wednesday, May 6, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Wednesday, May 6, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Wednesday, May 6, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Thursday, May 7, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Tuesday, May 26, 2026 | WITHDRAWN FROM PUB - OG REVIEW QUERY |
