IMMUNOGEN
USPTO (United States) · Serial 71186151
- Status
- registered
- Status updated
- 10 January 1986
- Filing date
- 24 September 1923
- Registration date
- 4 March 1924
- Nice classification
- 6
- Owner
- PARKE, DAVIS & COMPANY
- Owner country
- -
- Raw status code
- 900
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 71186151) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.