HETLIOZ

Live / Registered — Registered — Sections 8 & 15 accepted and acknowledged (as of 15 Oct 2026)

What this means for you

Registered since 03 Aug 2021. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 03 Aug 2031: the §8 & §9 renewal).

Record

Serial number
88981892
Registration number
6442600
Mark type
Word mark
Filed
01 Apr 2019
Published for opposition
17 Dec 2019
Registered
03 Aug 2021
Next maintenance filing
§8 & §9 renewal, due by 03 Aug 2031 (grace period to 03 Feb 2032)
Attorney of record
Jayme M. Torelli

Goods and services

  • Class 005 — Pharmaceuticals: Pharmaceutical preparations, containing tasimelteon, for use in the treatment of circadian rhythm diseases and disorders; pharmaceutical preparations, containing tasimelteon, for use in the treatment of non-24 hour sleep-wake disorder; and pharmaceutical preparations containing tasimelteon for use in the treatment of circadian rhythm sleep disorders; pharmaceutical preparations containing tasimelteon for use in the treatment of Smith-Magenis Syndrome

Owner

Prior registrations

Prosecution history

  • 15 Oct 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
  • 15 Oct 2026 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
  • 15 Oct 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 05 Aug 2026 — TEAS SECTION 8 & 15 RECEIVED
  • 03 Aug 2026 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
  • 03 Aug 2021 — REGISTERED-PRINCIPAL REGISTER
  • 26 Jun 2021 — NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
  • 25 Jun 2021 — ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
  • 03 Jun 2021 — STATEMENT OF USE PROCESSING COMPLETE
  • 25 Jan 2021 — USE AMENDMENT FILED
  • 03 Jun 2021 — DIVISIONAL PROCESSING COMPLETE
  • 25 Jan 2021 — DIVISIONAL REQUEST RECEIVED
  • 01 Jun 2021 — CASE ASSIGNED TO INTENT TO USE PARALEGAL
  • 10 Feb 2021 — CASE ASSIGNED TO INTENT TO USE PARALEGAL
  • 25 Jan 2021 — TEAS REQUEST TO DIVIDE RECEIVED

View this trademark record on Rightsy