Norton Waterford Drug Patent Portfolio

Norton Waterford owns 1 orange book drug protected by 18 US patents Given below is the list of Norton Waterford's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11583643 Inhalers and related methods 19 Aug, 2041
Active
US11957832 Breath actuated inhaler 05 May, 2041
Active
US11559637 Inhalers and related methods 21 Jul, 2039
Active
US10792447 Breath actuated inhaler 25 Jan, 2039
Active
US11395888 Inhalers and related methods 26 Jan, 2038
Active
US11793953 Inhalers and related methods 26 Jan, 2038
Active
US11865247 Inhalers and related methods 26 Jan, 2038
Active
US11896759 Inhalers and related methods 26 Jan, 2038
Active
US10561808 Dose counter for inhaler having an anti-reverse rotation actuator 01 Jan, 2032
Active
US8931476 Inhaler 17 Jul, 2031
Active
US10022509 Dose counter for inhaler having a bore and shaft arrangement 18 May, 2031
Active
US10022510 Dose counters for inhalers, inhalers and methods of assembly thereof 18 May, 2031
Active
US10086156 Dose counter for inhaler and method for counting doses 18 May, 2031
Active
US10695512 Dose counter for inhaler having an anti-reverse rotation actuator 18 May, 2031
Active
US11395889 Dose counter for inhaler having an anti-reverse rotation actuator 18 May, 2031
Active
US8132712 Metered-dose inhaler 07 Sep, 2028
Active
US7637260 Medicament dispensing device with a multimaterial diaphragm bounding a pneumatic force chamber 25 Aug, 2020 Expired
US6446627 Inhaler dose counter 18 Dec, 2017 Expired


Given below is the list of recent legal activities going on the following drug patents of Norton Waterford.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 4th Year, Large Entity 21 Mar, 2024 US10792447
Recordation of Patent Grant Mailed 13 Feb, 2024 US11896759
Recordation of Patent eGrant 13 Feb, 2024 US11896759
Mail Patent eGrant Notification 13 Feb, 2024 US11896759
Patent Issue Date Used in PTA Calculation 13 Feb, 2024 US11896759
Patent eGrant Notification 13 Feb, 2024 US11896759
Email Notification 13 Feb, 2024 US11896759
Email Notification 25 Jan, 2024 US11896759
Issue Notification Mailed 24 Jan, 2024 US11896759
Dispatch to FDC 16 Jan, 2024 US11896759
Application Is Considered Ready for Issue 16 Jan, 2024 US11896759
Mail Patent eGrant Notification 09 Jan, 2024 US11865247
Recordation of Patent eGrant 09 Jan, 2024 US11865247
Patent eGrant Notification 09 Jan, 2024 US11865247
Email Notification 09 Jan, 2024 US11865247


Norton Waterford's Drug Patent Litigations

Norton Waterford's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Oct 26, 2018, against patent number US10561808. The petitioner , challenged the validity of this patent, with Declan Walsh et al. as the respondent. Click below to track the latest information on how companies are challenging Norton Waterford's patents.

Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US10561808 October, 2018 Decision
(20 Sep, 2019)
Declan Walsh et al.


Norton Waterford's Family Patents

Norton Waterford drugs have patent protection in a total of 27 countries. It's US patent count contributes only to 15.8% of its total global patent coverage. 5 countries have all of their patents expired or invalidated which has opened up potential generic launch opportunities in these countries. Click below to unlock the full patent family tree.

Family Patents



Norton Waterford Drug List

Given below is the complete list of Norton Waterford's drugs and the patents protecting them.


1. Qvar Redihaler

Qvar Redihaler is protected by 18 patents, out of which 2 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11583643 Inhalers and related methods 19 Aug, 2041
(16 years from now)
Active
US11957832 Breath actuated inhaler 05 May, 2041
(16 years from now)
Active
US11559637 Inhalers and related methods 21 Jul, 2039
(14 years from now)
Active
US10792447 Breath actuated inhaler 25 Jan, 2039
(14 years from now)
Active
US11395888 Inhalers and related methods 26 Jan, 2038
(13 years from now)
Active
US11793953 Inhalers and related methods 26 Jan, 2038
(13 years from now)
Active
US11865247 Inhalers and related methods 26 Jan, 2038
(13 years from now)
Active
US11896759 Inhalers and related methods 26 Jan, 2038
(13 years from now)
Active
US10561808 Dose counter for inhaler having an anti-reverse rotation actuator 01 Jan, 2032
(7 years from now)
Active
US8931476 Inhaler 17 Jul, 2031
(6 years from now)
Active
US10022509 Dose counter for inhaler having a bore and shaft arrangement 18 May, 2031
(6 years from now)
Active
US10022510 Dose counters for inhalers, inhalers and methods of assembly thereof 18 May, 2031
(6 years from now)
Active
US10086156 Dose counter for inhaler and method for counting doses 18 May, 2031
(6 years from now)
Active
US10695512 Dose counter for inhaler having an anti-reverse rotation actuator 18 May, 2031
(6 years from now)
Active
US11395889 Dose counter for inhaler having an anti-reverse rotation actuator 18 May, 2031
(6 years from now)
Active
US8132712 Metered-dose inhaler 07 Sep, 2028
(3 years from now)
Active
US7637260 Medicament dispensing device with a multimaterial diaphragm bounding a pneumatic force chamber 25 Aug, 2020
(4 years ago)
Expired
US6446627 Inhaler dose counter 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 Qvar Redihaler's drug page


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