LEUKENON Trademark
Trademark Overview
On Monday, April 30, 1984, a trademark application was filed for LEUKENON with the United States Patent and Trademark Office. The USPTO has given the LEUKENON trademark a serial number of 73477834. The federal status of this trademark filing is ABANDONED - AFTER INTER-PARTES DECISION as of Tuesday, July 22, 1986. This trademark is owned by Enzon, Inc.. The LEUKENON trademark is filed in the Pharmaceutical Products category with the following description:
a Therapeutic Form of a Polyethylene Glycol-Asparaginase Compound (PEG-Asparaginase)
General Information
| Serial Number | 73477834 |
| Word Mark | LEUKENON |
| Filing Date | Monday, April 30, 1984 |
| Status | 604 - ABANDONED - AFTER INTER-PARTES DECISION |
| Status Date | Tuesday, July 22, 1986 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 1000 - Typeset: Word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, April 23, 1985 |
Trademark Statements
| Goods and Services | a Therapeutic Form of a Polyethylene Glycol-Asparaginase Compound (PEG-Asparaginase) |
Classification Information
| 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 | 018 |
| Class Status Code | 8 - Abandoned |
| Class Status Date | Wednesday, August 4, 1999 |
| Primary Code | 005 |
| First Use Anywhere Date | Wednesday, October 20, 1982 |
| First Use In Commerce Date | Friday, April 6, 1984 |
Trademark Owner History
| Party Name | Enzon, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | South Plainfield, NJ 07080 |
| Party Name | Enzon, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | South Plainfield, NJ 07080 |
Trademark Events
| Event Date | Event Description |
| Tuesday, July 22, 1986 | ABANDONMENT - AFTER INTER PARTES DECISION |
| Tuesday, July 22, 1986 | OPPOSITION TERMINATED NO. 999999 |
| Tuesday, July 15, 1986 | OPPOSITION SUSTAINED NO. 999999 |
| Tuesday, September 17, 1985 | OPPOSITION INSTITUTED NO. 999999 |
| Tuesday, April 23, 1985 | PUBLISHED FOR OPPOSITION |
| Thursday, March 28, 1985 | NOTICE OF PUBLICATION |
| Tuesday, September 4, 1984 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Friday, August 31, 1984 | ASSIGNED TO EXAMINER |
| Thursday, August 30, 1984 | ASSIGNED TO EXAMINER |
