Almirall Drug Patent Portfolio

Almirall owns 8 orange book drugs protected by 33 US patents with Solage having the least patent protection, holding only 2 patents. And Klisyri with maximum patent protection, holding 8 patents. Given below is the list of Almirall's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10669236 Solid forms of 2-(5-(4-(2-morpholinoethoxy)phenyl)pyridin-2-yl)-N-benzylacetamide 07 Sep, 2038
Active
US10617693 Methods of treating and/or preventing actinic keratosis 12 Mar, 2038
Active
US11497750 Methods of treating and/or preventing actinic keratosis 12 Mar, 2038
Active
US11273132 Topical dapsone and dapsone/adapalene compositions and methods for use thereof 18 Nov, 2033
Active
US9161926 Topical dapsone and dapsone/adaplene compositions and methods for use thereof 18 Nov, 2033
Active
US9517219 Topical dapsone and dapsone/adapalene compositions and methods for use thereof 18 Nov, 2033
Active
US9255068 Crystalline salts of (4S,4AS,5AR,12AS)-4-dimethylamino-3,10,12,12A-tetrahydroxy-7-[methoxy(methyl)amino)-methyl] acid amide and methods of using the same 09 Feb, 2033
Active
US8318706 Substituted tetracycline compounds 01 May, 2031
Active
US8513223 Substituted tetracycline compounds for treatment of inflammatory skin disorders 07 Dec, 2029
Active
US7851470 Composition and methods for modulating a kinase cascade 02 Feb, 2029
Active
US9481639 Substituted tetracycline compounds for treatment of inflammatory skin disorders 10 Aug, 2028
Active
US10323001 Compositions for modulating a kinase cascade and methods of use thereof 28 Dec, 2027
Active
US8460641 Microemulsion process and composition 13 Aug, 2027
Active
US7875630 Process salts compositions and use 14 Feb, 2027
Active
US7300931 Compositions for treating cell proliferation disorders 06 Feb, 2026
Active
US8236799 Biaryl compositions and methods for modulating a kinase cascade 28 Dec, 2025
Active
US8980890 Compositions and methods of treating cell proliferation disorders 28 Dec, 2025
Active
US9492384 Microemulsion and sub-micron emulsion process and compositions 31 Aug, 2025
Active
US8962000 Microemulsion and sub-micron emulsion process and compositions 31 Aug, 2025
Active
US8207191 Process, salts, composition and use 30 Aug, 2024 Expired
USRE39128 Pleuromutilin derivatives as antimicrobials 12 Apr, 2021 Expired
USRE43390 Pleuromutilin derivatives as antimicrobials 12 Apr, 2021 Expired
US8232276 Anhydrous topical skin preparations 24 Nov, 2020 Expired
US6353029 Storage stable tretinoin and 4-hydroxyanisole containing topical composition 24 Aug, 2020 Expired
US6730288 Mousse composition 08 Sep, 2019 Expired
US7029659 Mousse composition 08 Sep, 2019 Expired
US7179475 Anhydrous topical skin preparations 04 Dec, 2018 Expired
US8735393 Anhydrous topical skin preparations 04 Dec, 2018 Expired
US5863560 Compositions and methods for topical application of therapeutic agents 11 Sep, 2016 Expired
US6060085 Compositions and methods for topical application of therapeutic agents 11 Sep, 2016 Expired
US6620435 Compositions for topical application of therapeutic agents 11 Sep, 2016 Expired
US5690923 Stable topical retinoid compositions 25 Nov, 2014 Expired
US5194247 Synergistic skin depigmentation composition 10 Dec, 2013 Expired


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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 12th Year, Large Entity 28 May, 2024 US8318706
Payment of Maintenance Fee, 8th Year, Large Entity 01 May, 2024 US9481639
Payment of Maintenance Fee, 8th Year, Large Entity 18 Apr, 2024 US9492384
Payment of Maintenance Fee, 8th Year, Large Entity 18 Apr, 2024 US9492384
Maintenance Fee Reminder Mailed 18 Mar, 2024 US8232276
transaction for FDA Determination of Regulatory Review Period 29 Feb, 2024 US7300931
transaction for FDA Determination of Regulatory Review Period 29 Feb, 2024 US7851470
transaction for FDA Determination of Regulatory Review Period 23 Feb, 2024 US7300931
transaction for FDA Determination of Regulatory Review Period 23 Feb, 2024 US7851470
Payment of Maintenance Fee, 12th Year, Large Entity 07 Feb, 2024 US8236799
Requirement for information sent under 37 CFR 1.750 23 Jan, 2024 US8318706
transaction for FDA Determination of Regulatory Review Period 28 Dec, 2023 US8318706
Payment of Maintenance Fee, 12th Year, Large Entity 26 Dec, 2023 US8207191
transaction for FDA Determination of Regulatory Review Period 08 Dec, 2023 US8318706
Payment of Maintenance Fee, 4th Year, Large Entity 29 Nov, 2023 US10669236


Almirall's Drug Patent Litigations

Almirall's drugs have been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Jun 22, 2009, against patent number US8232276. The petitioner , challenged the validity of this patent, with Katherine M. Burnett et al as the respondent. Click below to track the latest information on how companies are challenging Almirall's patents.

Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US9517219 November, 2018 FWD Entered
(29 May, 2020)
Almirall, LLC Amneal Pharmaceuticals LLC
US9517219 June, 2019 FWD Entered
(29 May, 2020)
Almirall, LLC Mylan Pharmaceuticals Inc.
US9161926 February, 2018 FWD Entered
(27 Aug, 2019)
Almirall, LLC Amneal Pharmceuticals LLC
US8232276 June, 2009 Decision
(17 May, 2010)
Katherine M. Burnett et al


Almirall Drug Patents' Oppositions Filed in EPO

Almirall drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on May 14, 2014, by Generics [Uk] Limited. This opposition was filed on patent number EP05775966A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP05775966A May, 2014 Henkel AG & Co. KGaA Patent maintained as amended
EP05775966A May, 2014 Generics [UK] Limited Patent maintained as amended


Almirall's Family Patents

Almirall drugs have patent protection in a total of 30 countries. It's US patent count contributes only to 33.9% 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



Almirall Drug List

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


1. Aczone

Aczone is protected by 6 patents, out of which 3 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US11273132 Topical dapsone and dapsone/adapalene compositions and methods for use thereof 18 Nov, 2033
(8 years from now)
Active
US9161926 Topical dapsone and dapsone/adaplene compositions and methods for use thereof 18 Nov, 2033
(8 years from now)
Active
US9517219 Topical dapsone and dapsone/adapalene compositions and methods for use thereof 18 Nov, 2033
(8 years from now)
Active
US5863560 Compositions and methods for topical application of therapeutic agents 11 Sep, 2016
(8 years ago)
Expired
US6060085 Compositions and methods for topical application of therapeutic agents 11 Sep, 2016
(8 years ago)
Expired
US6620435 Compositions for topical application of therapeutic agents 11 Sep, 2016
(8 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 Aczone's drug page


2. Altabax

Altabax is protected by 4 patents, out of which 3 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US7875630 Process salts compositions and use 14 Feb, 2027
(2 years from now)
Active
US8207191 Process, salts, composition and use 30 Aug, 2024
(3 months ago)
Expired
USRE39128 Pleuromutilin derivatives as antimicrobials 12 Apr, 2021
(3 years ago)
Expired
USRE43390 Pleuromutilin derivatives as antimicrobials 12 Apr, 2021
(3 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 Altabax's drug page


3. Klisyri

Klisyri is protected by 8 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10669236 Solid forms of 2-(5-(4-(2-morpholinoethoxy)phenyl)pyridin-2-yl)-N-benzylacetamide 07 Sep, 2038
(13 years from now)
Active
US10617693 Methods of treating and/or preventing actinic keratosis 12 Mar, 2038
(13 years from now)
Active
US11497750 Methods of treating and/or preventing actinic keratosis 12 Mar, 2038
(13 years from now)
Active
US7851470 Composition and methods for modulating a kinase cascade 02 Feb, 2029
(4 years from now)
Active
US10323001 Compositions for modulating a kinase cascade and methods of use thereof 28 Dec, 2027
(3 years from now)
Active
US7300931 Compositions for treating cell proliferation disorders 06 Feb, 2026
(1 year, 1 month from now)
Active
US8236799 Biaryl compositions and methods for modulating a kinase cascade 28 Dec, 2025
(1 year, 9 days from now)
Active
US8980890 Compositions and methods of treating cell proliferation disorders 28 Dec, 2025
(1 year, 9 days 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 Klisyri's drug page


4. Seysara

Seysara is protected by 4 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US9255068 Crystalline salts of (4S,4AS,5AR,12AS)-4-dimethylamino-3,10,12,12A-tetrahydroxy-7-[methoxy(methyl)amino)-methyl] acid amide and methods of using the same 09 Feb, 2033
(8 years from now)
Active
US8318706 Substituted tetracycline compounds 01 May, 2031
(6 years from now)
Active
US8513223 Substituted tetracycline compounds for treatment of inflammatory skin disorders 07 Dec, 2029
(4 years from now)
Active
US9481639 Substituted tetracycline compounds for treatment of inflammatory skin disorders 10 Aug, 2028
(3 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 Seysara's drug page


5. Solage

Solage 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
US6353029 Storage stable tretinoin and 4-hydroxyanisole containing topical composition 24 Aug, 2020
(4 years ago)
Expired
US5194247 Synergistic skin depigmentation composition 10 Dec, 2013
(11 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 Solage's drug page


Explore Our Curated Drug Screens

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View List
NCE-1 Patent Expiry in the Next 1 Year
Identify opportunities as new chemical entity (NCE-1) patents approach expiry
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Recently Granted Patents in EP
Find the opportunity to file Oppositions
View List

6. Veltin

Veltin is protected by 2 patents, out of which 1 has expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US9492384 Microemulsion and sub-micron emulsion process and compositions 31 Aug, 2025
(8 months from now)
Active
US5690923 Stable topical retinoid compositions 25 Nov, 2014
(10 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 Veltin's drug page


7. Verdeso

Verdeso is protected by 5 patents, out of which 2 have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8460641 Microemulsion process and composition 13 Aug, 2027
(2 years from now)
Active
US8962000 Microemulsion and sub-micron emulsion process and compositions 31 Aug, 2025
(8 months from now)
Active
US9492384 Microemulsion and sub-micron emulsion process and compositions 31 Aug, 2025
(8 months from now)
Active
US6730288 Mousse composition 08 Sep, 2019
(5 years ago)
Expired
US7029659 Mousse composition 08 Sep, 2019
(5 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 Verdeso's drug page


8. Xolegel

Xolegel is protected by 3 patents, out of which all have expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8232276 Anhydrous topical skin preparations 24 Nov, 2020
(4 years ago)
Expired
US7179475 Anhydrous topical skin preparations 04 Dec, 2018
(6 years ago)
Expired
US8735393 Anhydrous topical skin preparations 04 Dec, 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 Xolegel's drug page