Merz Pharms Drug Patent Portfolio

Merz Pharms owns 3 orange book drugs protected by 26 US patents Given below is the list of Merz Pharms's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8545878 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
Active
US8685442 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
Active
US8945612 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
Active
US9393210 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
Active
USRE43711 Pulmonary delivery for levodopa 03 Feb, 2029
Active
US8007826 Sustained release aminopyridine composition 26 May, 2027
Active
US8354437 Method of using sustained release aminopyridine compositions 22 Dec, 2026
Active
US8440703 Methods of using sustained release aminopyridine compositions 08 Apr, 2025
Active
US8663685 Sustained release aminopyridine composition 18 Jan, 2025
Active
US9918973 Sustained release aminopyridine composition 13 Dec, 2024 Expired
US7182961 Particulate compositions for pulmonary delivery 22 Feb, 2024 Expired
US7638552 Method for increasing the bioavailability of glycopyrrolate 20 Aug, 2023 Expired
US7816396 Method for increasing the bioavailability of glycopyrrolate 20 Aug, 2023 Expired
US8404276 Pulmonary delivery for levodopa 19 Mar, 2023 Expired
US8586093 Pulmonary delivery for levodopa 19 Mar, 2023 Expired
US9155699 Pulmonary delivery for levodopa 19 Mar, 2023 Expired
US7384649 Particulate compositions for pulmonary delivery 20 Nov, 2022 Expired
US6858199 High efficient delivery of a large therapeutic mass aerosol 04 Nov, 2021 Expired
US7556798 Highly efficient delivery of a large therapeutic mass aerosol 04 Nov, 2021 Expired
US7146978 Inhalation device and method 16 Apr, 2021 Expired
US6514482 Pulmonary delivery in treating disorders of the central nervous system 19 Sep, 2020 Expired
US6613308 Pulmonary delivery in treating disorders of the central nervous system 19 Sep, 2020 Expired
US6979437 Pulmonary delivery in treating disorders of the central nervous system 19 Sep, 2020 Expired
US6921528 Highly efficient delivery of a large therapeutic mass aerosol 19 Jun, 2020 Expired
US8628754 Highly efficient delivery of a large therapeutic mass aerosol 19 Jun, 2020 Expired
US5540938 Formulations and their use in the treatment of neurological diseases 30 Jul, 2018 Expired


Given below is the list of recent legal activities going on the following drug patents of Merz Pharms.

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 03 Jan, 2024 US9393210
Expire Patent 20 Nov, 2023 US9155699
Maintenance Fee Reminder Mailed 05 Jun, 2023 US9155699
Payment of Maintenance Fee, 12th Year, Large Entity 28 Feb, 2023 US8007826 (Litigated)
Payment of Maintenance Fee, 12th Year, Large Entity 12 Apr, 2022 US7816396
Expire Patent 21 Feb, 2022 US8628754
Payment of Maintenance Fee, 4th Year, Large Entity 20 Sep, 2021 US9918973
Payment of Maintenance Fee, 8th Year, Large Entity 07 Sep, 2021 US8663685
Maintenance Fee Reminder Mailed 06 Sep, 2021 US8628754
Payment of Maintenance Fee, 12th Year, Large Entity 16 Jun, 2021 US7638552 (Litigated)
Payment of Maintenance Fee, 8th Year, Large Entity 05 May, 2021 US8586093
Payment of Maintenance Fee, 8th Yr, Small Entity 17 Mar, 2021 US8545878
Payment of Maintenance Fee, 12th Year, Large Entity 23 Dec, 2020 US7556798
Payment of Maintenance Fee, 8th Year, Large Entity 16 Nov, 2020 US8440703 (Litigated)
Payment of Maintenance Fee, 8th Year, Large Entity 10 Sep, 2020 US8404276


Merz Pharms's Drug Patent Litigations

Merz Pharms's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Aug 27, 2004, against patent number US7556798. The petitioner , challenged the validity of this patent, with David A. Edwards et al as the respondent. Click below to track the latest information on how companies are challenging Merz Pharms's patents.

Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US8007826 September, 2015 FWD Entered
(09 Mar, 2017)
Acorda Therapeutics, Inc. Coalition For Affordable Drugs (ADROCA) LLC
US8354437 September, 2015 FWD Entered
(09 Mar, 2017)
Acorda Therapeutics, Inc. Coalition for Affordable Drugs (ADROCA) LLC
US8440703 September, 2015 FWD Entered
(09 Mar, 2017)
Acorda Therapeutics, Inc. Coalition For Affordable Drugs (ADROCA) LLC
US8663685 September, 2015 FWD Entered
(09 Mar, 2017)
Acorda Therapeutics, Inc. Coalition For Affordable Drugs (ADROCA) LLC
US8007826 February, 2015 Terminated-Denied
(24 Aug, 2015)
Acorda Therapeutics, Inc. Coalition for Affordable Drugs (ADROCA) LLC
US8663685 February, 2015 Terminated-Denied
(24 Aug, 2015)
Acorda Therapeutics, Inc. Coalition for Affordable Drugs (ADROCA) LLC
US7556798 May, 2007 Decision
(18 Aug, 2008)
David A. Edwards et al
US7556798 August, 2004 Decision
(18 Mar, 2005)
David A. Edwards et al


Merz Pharms's Family Patents

Merz Pharms drugs have patent protection in a total of 22 countries. It's US patent count contributes only to 24.1% of its total global patent coverage. 2 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



Merz Pharms Drug List

Given below is the complete list of Merz Pharms's drugs and the patents protecting them.


1. Ampyra

Ampyra is protected by 6 patents, out of which 2 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8007826 Sustained release aminopyridine composition 26 May, 2027
(2 years from now)
Active
US8354437 Method of using sustained release aminopyridine compositions 22 Dec, 2026
(2 years from now)
Active
US8440703 Methods of using sustained release aminopyridine compositions 08 Apr, 2025
(3 months from now)
Active
US8663685 Sustained release aminopyridine composition 18 Jan, 2025
(a month from now)
Active
US9918973 Sustained release aminopyridine composition 13 Dec, 2024
(a day ago)
Expired
US5540938 Formulations and their use in the treatment of neurological diseases 30 Jul, 2018
(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 Ampyra's drug page


2. Cuvposa

Cuvposa is protected by 2 patents, out of which all have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US7638552 Method for increasing the bioavailability of glycopyrrolate 20 Aug, 2023
(1 year, 3 months ago)
Expired
US7816396 Method for increasing the bioavailability of glycopyrrolate 20 Aug, 2023
(1 year, 3 months 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 Cuvposa's drug page


3. Inbrija

Inbrija is protected by 18 patents, out of which 13 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8545878 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
(7 years from now)
Active
US8685442 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
(7 years from now)
Active
US8945612 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
(7 years from now)
Active
US9393210 Capsules containing high doses of levodopa for pulmonary use 16 Nov, 2032
(7 years from now)
Active
USRE43711 Pulmonary delivery for levodopa 03 Feb, 2029
(4 years from now)
Active
US7182961 Particulate compositions for pulmonary delivery 22 Feb, 2024
(9 months ago)
Expired
US8404276 Pulmonary delivery for levodopa 19 Mar, 2023
(1 year, 8 months ago)
Expired
US8586093 Pulmonary delivery for levodopa 19 Mar, 2023
(1 year, 8 months ago)
Expired
US9155699 Pulmonary delivery for levodopa 19 Mar, 2023
(1 year, 8 months ago)
Expired
US7384649 Particulate compositions for pulmonary delivery 20 Nov, 2022
(2 years ago)
Expired
US6858199 High efficient delivery of a large therapeutic mass aerosol 04 Nov, 2021
(3 years ago)
Expired
US7556798 Highly efficient delivery of a large therapeutic mass aerosol 04 Nov, 2021
(3 years ago)
Expired
US7146978 Inhalation device and method 16 Apr, 2021
(3 years ago)
Expired
US6514482 Pulmonary delivery in treating disorders of the central nervous system 19 Sep, 2020
(4 years ago)
Expired
US6613308 Pulmonary delivery in treating disorders of the central nervous system 19 Sep, 2020
(4 years ago)
Expired
US6979437 Pulmonary delivery in treating disorders of the central nervous system 19 Sep, 2020
(4 years ago)
Expired
US6921528 Highly efficient delivery of a large therapeutic mass aerosol 19 Jun, 2020
(4 years ago)
Expired
US8628754 Highly efficient delivery of a large therapeutic mass aerosol 19 Jun, 2020
(4 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 Inbrija's drug page


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