| Serial Number | 97241415 |
| Word Mark | ISOTECH |
| Filing Date | Thursday, January 27, 2022 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, February 28, 2023 |
| Registration Number | 6991022 |
| Registration Date | Tuesday, February 28, 2023 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, December 13, 2022 |
| Goods and Services | geochemical analysis of natural gas; chemical analysis of organic solid and liquid materials |
| 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 | Tuesday, February 1, 2022 |
| Primary Code | 042 |
| First Use Anywhere Date | Monday, November 18, 1985 |
| First Use In Commerce Date | Monday, November 18, 1985 |
| Party Name | STRATUM RESERVOIR (ISOTECH), LLC |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Houston, TX 77086 |
| Party Name | STRATUM RESERVOIR (ISOTECH), LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | HOUSTON, TX 77086 |
| Party Name | STRATUM RESERVOIR (ISOTECH), LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | HOUSTON, TX 77086 |
| Event Date | Event Description |
| Monday, January 31, 2022 | NEW APPLICATION ENTERED |
| Tuesday, February 1, 2022 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, November 8, 2022 | ASSIGNED TO EXAMINER |
| Wednesday, November 9, 2022 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, November 23, 2022 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, December 13, 2022 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, February 28, 2023 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, August 26, 2025 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Tuesday, August 26, 2025 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Tuesday, August 26, 2025 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Tuesday, August 26, 2025 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, August 26, 2025 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Tuesday, February 28, 2023 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |
| Tuesday, December 13, 2022 | PUBLISHED FOR OPPOSITION |