| Serial Number | 86254212 |
| Word Mark | E1L3N |
| Filing Date | Wednesday, April 16, 2014 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Thursday, July 31, 2025 |
| Registration Number | 4597348 |
| Registration Date | Tuesday, September 2, 2014 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, June 17, 2014 |
| Pseudo Mark | EILEN |
| Goods and Services | Biochemicals, namely, monoclonal antibodies for in vitro scientific or research use; Laboratory chemicals, namely, an antibody reagent used for the detection of antigens in cell and tissue analysis for in vitro diagnostic use |
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, May 1, 2014 |
| Primary Code | 001 |
| First Use Anywhere Date | Saturday, April 5, 2014 |
| First Use In Commerce Date | Saturday, April 5, 2014 |
| Party Name | Cell Signaling Technology, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Danvers, MA 01923 |
| Party Name | Cell Signaling Technology, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Danvers, MA 01923 |
| Party Name | Cell Signaling Technology, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Danvers, MA 01923 |
| Event Date | Event Description |
| Thursday, May 1, 2014 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Saturday, April 19, 2014 | NEW APPLICATION ENTERED |
| Friday, May 2, 2014 | NOTICE OF PSEUDO MARK E-MAILED |
| Wednesday, May 7, 2014 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, May 28, 2014 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, June 17, 2014 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Monday, May 5, 2014 | ASSIGNED TO EXAMINER |
| Tuesday, June 17, 2014 | PUBLISHED FOR OPPOSITION |
| Tuesday, September 2, 2014 | REGISTERED-PRINCIPAL REGISTER |
| Monday, September 2, 2019 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Monday, February 10, 2020 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Thursday, February 11, 2021 | TEAS SECTION 8 & 15 RECEIVED |
| Wednesday, June 23, 2021 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Wednesday, June 23, 2021 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Wednesday, June 23, 2021 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Tuesday, March 8, 2022 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, March 8, 2022 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Saturday, September 2, 2023 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, August 30, 2024 | TEAS SECTION 8 & 9 RECEIVED |
| Friday, December 6, 2024 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Friday, December 6, 2024 | POST REGISTRATION ACTION MAILED - SEC. 8 & 9 |
| Tuesday, March 8, 2022 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Friday, June 6, 2025 | TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED |
| Thursday, July 31, 2025 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, July 31, 2025 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Thursday, July 31, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |