Afrezza Patent Expiration

Afrezza is a drug owned by Mannkind Corp. It is protected by 48 US drug patents filed from 2014 to 2019. Out of these, 29 drug patents are active and 19 have expired. Based on its patents and exclusivities, its generic launch date is estimated to be Jul 12, 2032. Details of Afrezza's patents and their expiration are given in the table below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
These drug patents focus on the other aspects of the drug like dosage, mode of administration (oral, tablet, capsules, liquids etc).
US8636001 Dry powder inhaler and system for drug delivery
Jul, 2032

(7 years from now)

Active
US8499757 Dry powder inhaler and system for drug delivery
Feb, 2032

(7 years from now)

Active
US8424518 Dry powder inhaler and system for drug delivery
Oct, 2031

(6 years from now)

Active
US9597374 Use of ultrarapid acting insulin
Oct, 2031

(6 years from now)

Active
US8227409 Diketopiperazine microparticles with defined isomer contents
Mar, 2031

(6 years from now)

Active
US9358352 Dry powder drug delivery system and methods
Feb, 2031

(6 years from now)

Active
US10500159 Apparatus and method for cryogranulating a pharmaceutical composition
Nov, 2030

(5 years from now)

Active
US10201672 Dry powder inhaler and system for drug delivery
Aug, 2030

(5 years from now)

Active
US8778403 Diketopiperazine microparticles with defined specific surface areas
Jun, 2030

(5 years from now)

Active
US8734845 Diketopiperazine microparticles with defined specific surface areas
Jun, 2030

(5 years from now)

Active
US8551528 Diketopiperazine microparticles with defined specific surface areas
Jun, 2030

(5 years from now)

Active
US8485180 Dry powder drug delivery system
Mar, 2030

(5 years from now)

Active
US9511198 Dry powder inhaler and system for drug delivery
Feb, 2030

(5 years from now)

Active
US9339615 Dry powder inhaler and system for drug delivery
Oct, 2029

(4 years from now)

Active
US8623817 Method of treating diabetes type 2 by administering ultrarapid acting insulin
Sep, 2029

(4 years from now)

Active
US8119593 Method of treating diabetes type 2 by metformin and an ultrarapid acting insulin
Aug, 2029

(4 years from now)

Active
US8258095 Method of controlling glycemia by ultrarapid acting insulin without adjusting an insulin dose for meal content
Aug, 2029

(4 years from now)

Active
US10046031 Use of ultrarapid acting insulin
Aug, 2029

(4 years from now)

Active
US9943571 Use of ultrarapid acting insulin
Aug, 2029

(4 years from now)

Active
US9393372 Dry powder drug delivery system
Jul, 2029

(4 years from now)

Active
US9446133 Dry powder inhaler and system for drug delivery
Jun, 2029

(4 years from now)

Active
US10342938 Dry powder drug delivery system
Jun, 2029

(4 years from now)

Active
US8912193 Dry powder inhaler and system for drug delivery
Jun, 2029

(4 years from now)

Active
US9192675 Dry powder inhaler and system for drug delivery
Jun, 2029

(4 years from now)

Active
US9662461 Dry powder drug delivery system and methods
Jun, 2029

(4 years from now)

Active
US8729019 Method of drug formulation based on increasing the affinity of crystalline microparticle surfaces for active agents
Dec, 2028

(4 years from now)

Active
US9717689 Method of drug formulation based on increasing the affinity of crystalline microparticle surfaces for active agents
Sep, 2026

(1 year, 8 months from now)

Active
US9283193 Method of drug formulation based on increasing the affinity of crystalline microparticle surfaces for active agents
Sep, 2026

(1 year, 8 months from now)

Active
US7943572 Superior control of blood glucose in diabetes treatment
Aug, 2026

(1 year, 7 months from now)

Active
US8146588 Unit dose capsules and dry powder inhaler
Apr, 2023

(1 year, 7 months ago)

Expired
US7464706 Unit dose cartridge and dry powder inhaler
Mar, 2023

(1 year, 9 months ago)

Expired
US8156936 Unit dose capsules and dry powder inhaler
Jan, 2023

(1 year, 11 months ago)

Expired
US7305986 Unit dose capsules for use in a dry powder inhaler
Jan, 2023

(1 year, 11 months ago)

Expired
US8215300 Unit dose cartridge and dry powder inhaler
Nov, 2022

(2 years ago)

Expired
US8950397 Unit dose cartridge and dry powder inhaler
Jul, 2021

(3 years ago)

Expired
US6652885 Purification and stabilization of peptide and protein pharmaceutical agents
Jun, 2020

(4 years ago)

Expired
US7648960 Method for delivery of monomeric or dimeric insulin complexed to diketopiperazine microparticles
Jun, 2020

(4 years ago)

Expired
US8389470 Methods and compositions for delivering peptides
Jun, 2020

(4 years ago)

Expired
US7943178 Methods and compositions for delivering peptides
Jun, 2020

(4 years ago)

Expired
US8889099 Methods and compositions for delivering peptides
Jun, 2020

(4 years ago)

Expired
US6444226 Purification and stabilization of peptide and protein pharmaceutical agents
Jun, 2020

(4 years ago)

Expired
US8394414 Method for drug delivery to the pulmonary system
May, 2015

(9 years ago)

Expired
US6428771 Method for drug delivery to the pulmonary system
May, 2015

(9 years ago)

Expired
US6071497 Microparticles for lung delivery comprising diketopiperazine
May, 2015

(9 years ago)

Expired
US7276534 Carbon-substituted diketopiperazine delivery systems
Sep, 2014

(10 years ago)

Expired
US6906030 Carbon-substituted diketopiperazine delivery systems
Sep, 2014

(10 years ago)

Expired
US6663898 Carbon-substituted diketopiperazine delivery systems
Sep, 2014

(10 years ago)

Expired
US8133514 Carbon-substituted diketopiperazine delivery systems
Sep, 2014

(10 years ago)

Expired


A patent's expiry date may change depending upon legal activities going on that patent. Critical activities like abandoning of a patent, term extension of a patent or amendment of its claims can increase or decrease the life of a patent hence affecting its expiry date and in turn affecting the generic launch date of that drug. Tracking these ongoing activities on a patent application helps to keep an eye on the latest developments in the patent process of the drug which can give an idea of how early a drug's generic could be available. The next section provides a list of recent legal activities on Afrezza's patents.

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

Activity Date Patent Number
Patent litigations
Payment of Maintenance Fee, 8th Year, Large Entity 06 Jun, 2024 US9511198
Expire Patent 20 May, 2024 US8156936
Expire Patent 06 May, 2024 US8146588
Payment of Maintenance Fee, 8th Year, Large Entity 20 Mar, 2024 US9446133
Payment of Maintenance Fee, 12th Yr, Small Entity 04 Mar, 2024 US8258095
Maintenance Fee Reminder Mailed 26 Feb, 2024 US8215300
Payment of Maintenance Fee, 12th Year, Large Entity 24 Jan, 2024 US8227409
Payment of Maintenance Fee, 8th Year, Large Entity 19 Jan, 2024 US9393372
Payment of Maintenance Fee, 8th Year, Large Entity 07 Dec, 2023 US9358352
Maintenance Fee Reminder Mailed 04 Dec, 2023 US8156936


While patent expiration is one way of estimating the generic date of a drug, if a patent gets invalidated somehow, the generic of the drug may arrive early. Being aware of all relevant patents can help in avoiding legal pitfalls. Given below are details of the litigation history of Afrezza and ongoing litigations to help you estimate the early arrival of Afrezza generic.

Afrezza's Litigations

Afrezza been subject to various legal proceedings, including patent litigations. The earliest legal proceeding was initiated on Nov 17, 1997, against patent number US6428771. The petitioner , challenged the validity of this patent, with STEINER et al as the respondent. Click below to track the latest information on how companies are challenging Afrezza's patents.

Last updated on December 17, 2024
Patent Proceeding Filing Date Status Respondent Petitioner
Patent litigations
US9597374 June, 2014 Decision
(17 Aug, 2016)
Anders Hasager Boss et al
US7305986 December, 2006 Decision
(30 Apr, 2007)
Solomon S. Steiner et al
US6428771 November, 1997 Decision
(29 May, 2001)
STEINER et al


FDA has granted some exclusivities to Afrezza. Till the time these exclusivities are active, no other company can market a generic or bioequivalent version of Afrezza, regardless of the status of it's patents. These exclusivities hence play a crucial role in delaying the generic launch. Given below are details of the exclusivities granted to Afrezza.

Exclusivity Information

Afrezza holds 1 exclusivities. All of its exclusivities have expired in 2017. Details of Afrezza's exclusivity codes and their expiration dates are given below.


Drug Exclusivity Drug Exclusivity Expiration
New Product(NP) Jun 27, 2017

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US patents provide insights into the exclusivity only within the United States, but Afrezza is protected by patents in multiple countries. Understanding the full scope of patent protection is crucial in strategizing market entry. By looking at the broader patent landscape, you can identify markets with weaker patent protection which could be ideal generic entry points. The following section offers details on Afrezza's family patents as well as insights into ongoing legal events on those patents.

Afrezza's Family Patents


Family Patents

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Generic Launch

Generic Release Date:

Afrezza's generic launch date based on the last expiry date of its patents and exclusivities combined is estimated to be Jul 12, 2032 (This date is subject to change depending upon the patent filing activities by the drug owner or exclusivity additions to its drug application)

Afrezza Generics:

There are no approved generic versions for Afrezza as of now.

Alternative Brands for Afrezza

Afrezza which is used for treating diabetes mellitus through inhalation of a dry powder medicament containing insulin., has several other brand drugs using the same active ingredient (Insulin Recombinant Human). Given below is the list of those companies and their brand drugs, to help you identify new opportunities, assess competitors, and plan your market strategies more effectively.






About Afrezza

Afrezza is a drug owned by Mannkind Corp. It is used for treating diabetes mellitus through inhalation of a dry powder medicament containing insulin. Afrezza uses Insulin Recombinant Human as an active ingredient. Afrezza was launched by Mannkind in 2014.

Approval Date:

Afrezza was approved by FDA for market use on 27 June, 2014.

Active Ingredient:

Afrezza uses Insulin Recombinant Human as the active ingredient. Check out other Drugs and Companies using Insulin Recombinant Human ingredient

Treatment:

Afrezza is used for treating diabetes mellitus through inhalation of a dry powder medicament containing insulin.

Dosage:

Afrezza is available in powder form for inhalation use. Given below is detailed information on Dosage -

Strength Dosage Form Availability Application Pathway
12 UNITS/INH POWDER Prescription INHALATION
8 UNITS/INH POWDER Prescription INHALATION
4 UNITS/INH POWDER Prescription INHALATION