HMH
USPTO (United States) · Serial 77980818
- Status
- registered
- Status updated
- 6 April 2021
- Filing date
- 27 November 2007
- Registration date
- 4 January 2011
- Nice classification
- 16
- Owner
- HOUGHTON MIFFLIN HARCOURT PUBLISHING COM
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 77980818) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.