ESTEK Trademark
Trademark Overview
On Wednesday, December 31, 2025, a trademark application was filed for ESTEK with the United States Patent and Trademark Office. The USPTO has given the ESTEK trademark a serial number of 99572944. The federal status of this trademark filing is PUBLISHED FOR OPPOSITION as of Tuesday, May 26, 2026. This trademark is owned by PT Estek Solar Energy. The ESTEK trademark is filed in the Computer & Software Products & Electrical & Scientific Products and Rubber Products categories with the following description:
Protective films adapted for smartphones; Scientific apparatus, namely, cellular mixed ester membranes for use in the science and research industry; Photovoltaic inverters; Solar-powered rechargeable batteries; Solar-powered battery chargers; Photovoltaic solar panels for the production of electricity; Solar panels for the production of electricity; Photovoltaic modules; Solar batteries; Crystalline silicon solar cells; Photovoltaic solar modules for production of electricity; Photovoltaic cells
Semi-finished plastic films and sheets to be used in solar or photovoltaic modules; Substrates primarily of ceramic, silicon and non-metals for electrical or thermal insulation of solar cells, photovoltaic cells, and solar collectors; Synthetic polymer thin film coatings in the nature of electrical insulation for use in the manufacture of industrial products; Plastic films for use in manufacture; Synthetic resins, semi-processed; Semi-processed films of plastic in the nature of filtering materials in production of photovoltaic solar panels, modules, cells for production of electricity; Insulating refractory materials; Insulating materials; Insulating film; Insulating coatings; Insulating tapes; Electromagnetic interference (EMI) shielding films
General Information
| Serial Number | 99572944 |
| Word Mark | ESTEK |
| Filing Date | Wednesday, December 31, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| 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 | Tuesday, May 26, 2026 |
Trademark Statements
| Goods and Services | Protective films adapted for smartphones; Scientific apparatus, namely, cellular mixed ester membranes for use in the science and research industry; Photovoltaic inverters; Solar-powered rechargeable batteries; Solar-powered battery chargers; Photovoltaic solar panels for the production of electricity; Solar panels for the production of electricity; Photovoltaic modules; Solar batteries; Crystalline silicon solar cells; Photovoltaic solar modules for production of electricity; Photovoltaic cells |
| Goods and Services | Semi-finished plastic films and sheets to be used in solar or photovoltaic modules; Substrates primarily of ceramic, silicon and non-metals for electrical or thermal insulation of solar cells, photovoltaic cells, and solar collectors; Synthetic polymer thin film coatings in the nature of electrical insulation for use in the manufacture of industrial products; Plastic films for use in manufacture; Synthetic resins, semi-processed; Semi-processed films of plastic in the nature of filtering materials in production of photovoltaic solar panels, modules, cells for production of electricity; Insulating refractory materials; Insulating materials; Insulating film; Insulating coatings; Insulating tapes; Electromagnetic interference (EMI) shielding films |
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 | Wednesday, December 31, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 017 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal. |
| US Class Codes | 001, 005, 012, 013, 035, 050 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, December 31, 2025 |
| Primary Code | 017 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | PT Estek Solar Energy |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 99 - Other |
| Address | Riau Islands 29439 ID |
| Party Name | PT Estek Solar Energy |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | Riau Islands 29439 ID |
Trademark Events
| Event Date | Event Description |
| Wednesday, December 31, 2025 | NEW APPLICATION ENTERED |
| Wednesday, December 31, 2025 | APPLICATION FILING RECEIPT MAILED |
| Sunday, April 19, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, April 30, 2026 | ASSIGNED TO EXAMINER |
| Thursday, April 30, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, May 20, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, May 26, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, May 26, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |