Lexicon Drug Patent Portfolio

Lexicon owns 1 orange book drug protected by 3 US patents Given below is the list of Lexicon's drug patents along with their expiration dates.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8217156 Solid forms of (2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(methylthio)tetrahydro-2H-pyran-3,4,5-triol and methods of their use 07 Oct, 2030
Active
US8476413 Sulfanyl-tetrahydropyran-based compounds and methods of their use 29 May, 2028
Active
US7781577 Inhibitors of sodium glucose co-transporter 2 and methods of their use 04 May, 2028
Active


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

Activity Date Patent Number
Patent litigations
Withdrawal of Application for PTE 14 Aug, 2025 US8217156
PTE *Waiver of time period for requesting reconsideration 10 Jun, 2025 US8217156
Notice of Final Determination -Election Required 28 May, 2025 US8217156
Notice of Final Determination -Election Required 28 May, 2025 US7781577
FDA Final Eligibility Letter 21 May, 2025 US8217156
FDA Final Eligibility Letter 21 May, 2025 US7781577
Payment of Maintenance Fee, 12th Yr, Small Entity 18 Dec, 2024 US8476413
Applicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27 17 Dec, 2024 US8476413
transaction for FDA Determination of Regulatory Review Period 11 Sep, 2024 US8217156
transaction for FDA Determination of Regulatory Review Period 11 Sep, 2024 US7781577
transaction for FDA Determination of Regulatory Review Period 08 Aug, 2024 US8217156
transaction for FDA Determination of Regulatory Review Period 08 Aug, 2024 US7781577
Electronic Review 01 Aug, 2024 US7781577
Change in Power of Attorney (May Include Associate POA) 31 Jul, 2024 US7781577
Email Notification 31 Jul, 2024 US7781577


Lexicon's Family Patents


Family Patents



Lexicon Drug List

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


1. Inpefa

Inpefa is protected by 3 patents, out of which none have expired yet. Check out its patent list below.

Drug Patent Number Drug Patent Title Drug Patent Expiry Status
US8217156 Solid forms of (2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(methylthio)tetrahydro-2H-pyran-3,4,5-triol and methods of their use 07 Oct, 2030
(4 years from now)
Active
US8476413 Sulfanyl-tetrahydropyran-based compounds and methods of their use 29 May, 2028
(2 years from now)
Active
US7781577 Inhibitors of sodium glucose co-transporter 2 and methods of their use 04 May, 2028
(2 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 Inpefa's drug page


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