Thea Pharma Drug Patent Portfolio

Thea Pharma owns 4 orange book drugs protected by 10 US patents Given below is the list of Thea Pharma's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8637054 Polymeric delivery system for a nonviscous prostaglandin-based solution without preservatives 08 Jul, 2031
Active
US10864159 Method and composition for treating ocular hypertension and glaucoma 28 May, 2029
Active
US9999593 Method and composition for treating ocular hypertension and glaucoma 28 May, 2029
Active
US8759401 Aqueous gel formulation and method for inducing topical anesthesia 24 Jul, 2026
Active
US6239113 Topical treatment or prevention of ocular infections 31 Mar, 2019 Expired
US6569443 Topical treatment or prevention of ocular infections 31 Mar, 2019 Expired
US7056893 Topical treatment for prevention of ocular infections 31 Mar, 2019 Expired
US6861411 Method of treating eye infections with azithromycin 25 Nov, 2018 Expired
US5886035 Difluoroprostaglandin derivatives and their use 18 Dec, 2017 Expired
US6159458 Sustained release ophthalmic compositions containing water soluble medicaments 04 Nov, 2017 Expired


Given below is the list of recent legal activities going on the following drug patents of Thea Pharma.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 4th Year, Large Entity 29 May, 2024 US10864159
Correspondence Address Change 23 Sep, 2022 US8759401
Change in Power of Attorney (May Include Associate POA) 23 Sep, 2022 US8759401
Email Notification 09 Sep, 2022 US8759401
Change in Power of Attorney (May Include Associate POA) 09 Sep, 2022 US8759401
7.5 yr surcharge - late pmt w/in 6 mo, Large Entity 17 Jan, 2022 US8759401
Payment of Maintenance Fee, 8th Year, Large Entity 17 Jan, 2022 US8759401
Payment of Maintenance Fee, 4th Year, Large Entity 01 Dec, 2021 US9999593
Patent Issue Date Used in PTA Calculation 15 Dec, 2020 US10864159
Recordation of Patent Grant Mailed 15 Dec, 2020 US10864159
Email Notification 25 Nov, 2020 US10864159
Issue Notification Mailed 24 Nov, 2020 US10864159
Dispatch to FDC 12 Nov, 2020 US10864159
Application Is Considered Ready for Issue 12 Nov, 2020 US10864159
Issue Fee Payment Received 11 Nov, 2020 US10864159


Thea Pharma's Drug Patent Litigations

Thea Pharma's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on May 12, 2017, against patent number US5886035. The petitioner Micro Labs Limited, challenged the validity of this patent, with Santen Pharmaceutical Co., Ltd. as the respondent. Click below to track the latest information on how companies are challenging Thea Pharma's patents.

Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US5886035 May, 2017 FWD Entered
(27 Nov, 2018)
Santen Pharmaceutical Co., Ltd. Micro Labs Limited


Thea Pharma Drug Patents' Oppositions Filed in EPO

Thea Pharma drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Feb 02, 2018, by Cooke, Richard. This opposition was filed on patent number EP14001862A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP20164602A Oct, 2022 Becker, Eberhard Granted and Under Opposition
EP20164602A Oct, 2022 De Gregori, Antonella Granted and Under Opposition
EP20164602A Oct, 2022 Cooke, Richard Granted and Under Opposition
EP17000440A Jan, 2021 Cooke, Richard Granted and Under Opposition
EP14001862A Feb, 2018 Cooke, Richard Granted and Under Opposition


Thea Pharma's Family Patents

Thea Pharma drugs have patent protection in a total of 26 countries. It's US patent count contributes only to 14.1% of its total global patent coverage. 1 country has all of their patents expired or invalidated which has opened up potential generic launch opportunities in this particular country. Click below to unlock the full patent family tree.

Family Patents



Thea Pharma Drug List

Given below is the complete list of Thea Pharma's drugs and the patents protecting them.


1. Akten

Akten is protected by 1 patent, which is still active. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8759401 Aqueous gel formulation and method for inducing topical anesthesia 24 Jul, 2026
(1 year, 7 months from now)
Active

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Akten's drug page


2. Azasite

Azasite is protected by 5 patents, out of which all have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US6239113 Topical treatment or prevention of ocular infections 31 Mar, 2019
(5 years ago)
Expired
US6569443 Topical treatment or prevention of ocular infections 31 Mar, 2019
(5 years ago)
Expired
US7056893 Topical treatment for prevention of ocular infections 31 Mar, 2019
(5 years ago)
Expired
US6861411 Method of treating eye infections with azithromycin 25 Nov, 2018
(6 years ago)
Expired
US6159458 Sustained release ophthalmic compositions containing water soluble medicaments 04 Nov, 2017
(7 years ago)
Expired

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Azasite's drug page


3. Iyuzeh

Iyuzeh is protected by 1 patent, which is still active. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8637054 Polymeric delivery system for a nonviscous prostaglandin-based solution without preservatives 08 Jul, 2031
(6 years from now)
Active

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Iyuzeh's drug page


4. Zioptan

Zioptan is protected by 3 patents, out of which 1 has expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10864159 Method and composition for treating ocular hypertension and glaucoma 28 May, 2029
(4 years from now)
Active
US9999593 Method and composition for treating ocular hypertension and glaucoma 28 May, 2029
(4 years from now)
Active
US5886035 Difluoroprostaglandin derivatives and their use 18 Dec, 2017
(6 years ago)
Expired

Discover which of these patents contain the active ingredient(API) of the drug, their family patents, along with litigation and legal activity details of these patents on Zioptan's drug page


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