| Serial Number | 86256050 |
| Word Mark | S-PLEX |
| Filing Date | Friday, April 18, 2014 |
| Status | 702 - SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED |
| Status Date | Wednesday, October 15, 2025 |
| Registration Number | 5775731 |
| Registration Date | Tuesday, June 11, 2019 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, September 30, 2014 |
| Goods and Services | Multi-well plates that can be used in chemical or biological analysis using electrochemiluminescence for scientific, laboratory or medical research use |
| Goods and Services | Biological assays and kits, namely, self-assembled arrays for simultaneous, multiple detection of biological analytes and for use in the fields of biological and diagnostic testing for medical and/or veterinary use |
| Goods and Services | Biological assays and kits, namely, self-assembled arrays for simultaneous, multiple detection of biological analytes and for use in the fields of biological and diagnostic testing for industrial, scientific and/or research 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 | Friday, May 2, 2014 |
| Primary Code | 001 |
| First Use Anywhere Date | Friday, April 26, 2019 |
| First Use In Commerce Date | Friday, April 26, 2019 |
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, May 2, 2014 |
| Primary Code | 005 |
| First Use Anywhere Date | Friday, April 26, 2019 |
| First Use In Commerce Date | Friday, April 26, 2019 |
| 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 | Friday, May 2, 2014 |
| Primary Code | 009 |
| First Use Anywhere Date | Friday, April 26, 2019 |
| First Use In Commerce Date | Friday, April 26, 2019 |
| Party Name | Meso Scale Diagnostics, LLC |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Rockville, MD 20850 |
| Party Name | Meso Scale Diagnostics, LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Rockville, MD 20850 |
| Party Name | Meso Scale Diagnostics, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Rockville, MD 20850 |
| Event Date | Event Description |
| Wednesday, July 30, 2014 | NON-FINAL ACTION WRITTEN |
| Tuesday, April 22, 2014 | NEW APPLICATION ENTERED |
| Friday, May 2, 2014 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, July 30, 2014 | ASSIGNED TO EXAMINER |
| Wednesday, July 30, 2014 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Wednesday, July 30, 2014 | NON-FINAL ACTION E-MAILED |
| Tuesday, August 5, 2014 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, August 8, 2014 | ASSIGNED TO LIE |
| Thursday, August 14, 2014 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, August 14, 2014 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, September 30, 2014 | PUBLISHED FOR OPPOSITION |
| Monday, August 25, 2014 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Monday, August 25, 2014 | LAW OFFICE PUBLICATION REVIEW COMPLETED |
| Wednesday, September 10, 2014 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, March 15, 2016 | OPPOSITION TERMINATED NO. 999999 |
| Tuesday, September 30, 2014 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Thursday, October 30, 2014 | EXTENSION OF TIME TO OPPOSE RECEIVED |
| Thursday, March 26, 2015 | OPPOSITION INSTITUTED NO. 999999 |
| Tuesday, March 15, 2016 | OPPOSITION DISMISSED NO. 999999 |
| Tuesday, March 15, 2016 | TTAB RELEASE CASE TO TRADEMARKS |
| Tuesday, April 26, 2016 | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |
| Wednesday, October 26, 2016 | SOU EXTENSION 1 GRANTED |
| Wednesday, October 26, 2016 | SOU TEAS EXTENSION RECEIVED |
| Wednesday, October 26, 2016 | SOU EXTENSION 1 FILED |
| Friday, October 28, 2016 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Wednesday, April 26, 2017 | SOU TEAS EXTENSION RECEIVED |
| Wednesday, April 26, 2017 | SOU EXTENSION 2 FILED |
| Wednesday, April 26, 2017 | SOU EXTENSION 2 GRANTED |
| Friday, April 28, 2017 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Thursday, September 21, 2017 | TEAS REQUEST TO DIVIDE RECEIVED |
| Thursday, September 21, 2017 | DIVISIONAL REQUEST RECEIVED |
| Monday, October 2, 2017 | CASE ASSIGNED TO INTENT TO USE PARALEGAL |
| Wednesday, October 11, 2017 | DIVISIONAL PROCESSING COMPLETE |
| Saturday, October 14, 2017 | CORRECTED NOA E-MAILED |
| Thursday, October 26, 2017 | SOU TEAS EXTENSION RECEIVED |
| Thursday, October 26, 2017 | SOU EXTENSION 3 FILED |
| Thursday, October 26, 2017 | SOU EXTENSION 3 GRANTED |
| Saturday, October 28, 2017 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Monday, April 23, 2018 | SOU TEAS EXTENSION RECEIVED |
| Monday, April 23, 2018 | SOU EXTENSION 4 FILED |
| Monday, April 23, 2018 | SOU EXTENSION 4 GRANTED |
| Wednesday, April 25, 2018 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Friday, October 26, 2018 | SOU EXTENSION 5 FILED |
| Friday, October 26, 2018 | SOU TEAS EXTENSION RECEIVED |
| Wednesday, October 31, 2018 | SOU EXTENSION 5 GRANTED |
| Friday, April 26, 2019 | USE AMENDMENT FILED |
| Saturday, May 4, 2019 | STATEMENT OF USE PROCESSING COMPLETE |
| Tuesday, June 11, 2019 | REGISTERED-PRINCIPAL REGISTER |
| Wednesday, June 11, 2025 | TEAS SECTION 8 & 15 RECEIVED |
| Wednesday, October 15, 2025 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Wednesday, October 15, 2025 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Wednesday, October 15, 2025 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Tuesday, June 11, 2024 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Thursday, November 1, 2018 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Friday, April 26, 2019 | TEAS STATEMENT OF USE RECEIVED |
| Wednesday, May 8, 2019 | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED |
| Thursday, May 9, 2019 | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED |