Amphastar Drug Patent Portfolio

Amphastar owns 1 orange book drug protected by 5 US patents Given below is the list of Amphastar's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10765602 Medication delivery systems and methods 23 Sep, 2039
Active
US10894133 Device for dispensing a fluid product 03 Jan, 2038
Active
US10213487 Nasal powder formulation for treatment of hypoglycemia 16 Feb, 2036
Active
US12370241 Nasal Powder Formulation For Treatment Of Hypoglycemia 16 Feb, 2036
Active
US6938798 Fluid or powdery product dispensing device 03 Jan, 2022 Expired


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

Activity Date Patent Number
Patent litigations
Recordation of Patent Grant Mailed 05 Aug, 2025 US12370241
Mail Patent eGrant Notification 29 Jul, 2025 US12370241
Patent eGrant Notification 29 Jul, 2025 US12370241
Patent Issue Date Used in PTA Calculation 29 Jul, 2025 US12370241
Email Notification 29 Jul, 2025 US12370241
Recordation of Patent eGrant 29 Jul, 2025 US12370241
Email Notification 17 Jul, 2025 US12370241
Issue Notification Mailed 16 Jul, 2025 US12370241
Application Is Considered Ready for Issue 27 Jun, 2025 US12370241
Dispatch to FDC 27 Jun, 2025 US12370241
Issue Fee Payment Verified 26 Jun, 2025 US12370241
Issue Fee Payment Received 26 Jun, 2025 US12370241
Sequence Forwarded to Pubs on Tape 02 Apr, 2025 US12370241
Mail Notice of Allowance 26 Mar, 2025 US12370241
Notice of Allowance Data Verification Completed 23 Mar, 2025 US12370241


Amphastar Drug Patents' Oppositions Filed in EPO

Amphastar drug patents have faced multiple oppositions in the European Patent Office. The earliest opposition was filed on Oct 05, 2020, by Elkington And Fife Llp. This opposition was filed on patent number EP16710352A. Click below to reveal the latest opposition data.


Application Filing Date Opposition Party Legal Status
Patent litigations
EP16710352A Oct, 2020 ELKINGTON AND FIFE LLP Patent maintained as amended


Amphastar's Family Patents

Amphastar drugs have patent protection in a total of 42 countries. It's US patent count contributes only to 11.1% of its total global patent coverage. 6 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



Amphastar Drug List

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


1. Baqsimi

Baqsimi is protected by 5 patents, out of which 1 has expired. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US10765602 Medication delivery systems and methods 23 Sep, 2039
(13 years from now)
Active
US10894133 Device for dispensing a fluid product 03 Jan, 2038
(11 years from now)
Active
US10213487 Nasal powder formulation for treatment of hypoglycemia 16 Feb, 2036
(9 years from now)
Active
US12370241 Nasal Powder Formulation For Treatment Of Hypoglycemia 16 Feb, 2036
(9 years from now)
Active
US6938798 Fluid or powdery product dispensing device 03 Jan, 2022
(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 Baqsimi's drug page


Explore Our Curated Drug Screens

Drugs Generating Over $1 Billion in Annual Revenue
Explore the top-performing drugs that dominate the pharmaceutical industry
View List
NCE-1 Patent Expiry in the Next 1 Year
Identify opportunities as new chemical entity (NCE-1) patents approach expiry
View List
Recently Granted Patents in EP
Find the opportunity to file Oppositions
View List