PRESERFLO
Live / Registered — Registered — international registration renewed (as of 14 Jan 2026)
What this means for you
Registered since 22 Oct 2019. The owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 79260294
- Registration number
- 5887854
- Mark type
- Stylized text
- Filed
- 18 Mar 2019
- Published for opposition
- 06 Aug 2019
- Registered
- 22 Oct 2019
- Attorney of record
- Michele M Glessner
Goods and services
- Class 010 — Medical apparatus: Ophthalmic medical device, namely, glaucoma tube shunt; surgical apparatus and instruments for use in ophthalmic surgery; medical device for non-laser glaucoma surgery; ocular implants and devices; ocular implants and devices for use in treating glaucoma; ocular implants and devices, namely, shunts, stents, ophthalmic cutting instruments, shunt and stent applicators, [ and vision screening instruments, ] for use in treating glaucoma
Owner
- Santen Pharmaceutical Co., Ltd., Osaka-fu, JP
- Santen Pharmaceutical Co., Ltd., JP
- Santen Pharmaceutical Co., Ltd., JP
Prosecution history
- 14 Jan 2026 — NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - E-MAILED
- 14 Jan 2026 — REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.
- 12 Jan 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 29 Aug 2025 — TEAS SECTION 71 & 15 RECEIVED
- 01 May 2020 — CHANGE OF NAME/ADDRESS REC'D FROM IB
- 03 Jan 2020 — NOTIFICATION PROCESSED BY IB
- 19 Dec 2019 — FINAL DISPOSITION NOTICE SENT TO IB
- 19 Dec 2019 — FINAL DISPOSITION PROCESSED
- 21 Nov 2019 — GRANT OF PROTECTION CREATED, TO BE SENT TO IB
- 22 Oct 2019 — REGISTERED-PRINCIPAL REGISTER
- 06 Aug 2019 — PUBLISHED FOR OPPOSITION
- 17 Jul 2019 — NOTICE OF PUBLICATION
- 26 Jun 2019 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 25 Jun 2019 — APPLICATION FILING RECEIPT MAILED
- 20 Jun 2019 — ASSIGNED TO EXAMINER