| Serial Number | 73467015 |
| Word Mark | CELLULYSIN |
| Filing Date | Thursday, February 23, 1984 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Friday, July 11, 2025 |
| Registration Number | 1310642 |
| Registration Date | Tuesday, December 25, 1984 |
| Mark Drawing | 1 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, October 16, 1984 |
| Goods and Services | Enzymes Used to Isolate Intact Cells and Plant Protoplasts from Plant Tissue for Botony Research |
| 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 | 006 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Saturday, July 12, 2025 |
| Primary Code | 001 |
| First Use Anywhere Date | Monday, September 17, 1979 |
| First Use In Commerce Date | Monday, September 17, 1979 |
| Party Name | MERCK KGAA |
| Party Type | 33 - New Owner After Registration |
| Legal Entity Type | 99 - Other |
| Address | DARMSTADT 64293 DE |
| Party Name | EMD CHEMICALS INC. |
| Party Type | 32 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | GIBBSTOWN, NJ 08027 |
| Party Name | EMD BIOSCIENCES, INC. |
| Party Type | 31 - New Owner After Registration |
| Legal Entity Type | 03 - Corporation |
| Address | SAN DIEGO, CA 92121 |
| Party Name | American Hoechst Corporation |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Somerville, NJ 08876 |
| Party Name | American Hoechst Corporation |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Somerville, NJ 08876 |
| Party Name | American Hoechst Corporation |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Somerville, NJ 08876 |
| Event Date | Event Description |
| Tuesday, June 26, 1984 | ASSIGNED TO EXAMINER |
| Tuesday, July 10, 1984 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, August 15, 1984 | NOTICE OF PUBLICATION |
| Tuesday, October 16, 1984 | PUBLISHED FOR OPPOSITION |
| Tuesday, December 25, 1984 | REGISTERED-PRINCIPAL REGISTER |
| Monday, July 9, 1990 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Tuesday, September 7, 2004 | PAPER RECEIVED |
| Tuesday, September 7, 2004 | REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED |
| Friday, October 22, 2004 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Friday, October 22, 2004 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Wednesday, December 15, 2010 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Saturday, December 20, 2014 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Monday, December 25, 2023 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Friday, July 11, 2025 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 |
| Saturday, December 20, 2014 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) |
| Friday, April 6, 1990 | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED |
| Wednesday, April 18, 2007 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP |
| Tuesday, March 1, 2011 | CASE FILE IN TICRS |
| Thursday, December 11, 2014 | TEAS SECTION 8 & 9 RECEIVED |
| Saturday, December 20, 2014 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |