Intelligence · Patents
Expiring patents (≤24 months)
Patent cliff watchlist — pharmaceutical patents approaching loss of exclusivity.
- Patents
- 34
Quick answer
34 pharmaceutical patents in our index expire within the next 24 months. Use year facets below for annual patent-cliff planning linked to company and drug profiles.
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US 7087591
21-substituted progesterone derivatives as new antiprogestational agents
granted -
US 7122624
Parathyroid hormone receptor ligands
granted -
US 7126008
Carvedilol
granted -
US 7138137
Stable pharmaceutical formulation of paroxetine hydrochloride and a process for preparation thereof
granted -
US 7148376
Polymorphic forms of nateglinide
granted -
US 7183272
Crystal forms of oxcarbazepine and processes for their preparation
granted -
US 7196222
Sertraline hydrochloride form II and methods for the preparation thereof
granted -
US 7196205
Synthesis of UDP-glucose: N-acylsphingosine glucosyltransferase inhibitors
granted -
US 7199157
Use of treprostinil to improve kidney functions
granted -
US 7235691
Crystalline forms of modafinil
granted -
US 7247751
Processes for preparing cinacalcet hydrochloride crystal Form I
granted -
US 7256195
Preparation of risperidone
granted -
US 7262218
Forms of pravastatin sodium
granted -
US 7285668
Process for the crystallization of (R)- or (S)-lansoprazole
granted -
US 7288657
Biphenyl compounds useful as muscarinic receptor antagonists
granted -
US 7300935
Thienopyrimidine compounds and use thereof
granted -
US 7319171
Sertraline hydrochloride form II and methods for the preparation thereof
granted -
US 7320991
Analogs of thalidomide as potential angiogenesis inhibitors
granted -
US 7323459
Crystal forms, methods for their preparation and method for preparation of olanzapine
granted -
US 7332472
Cyclosporine analogue mixtures and their use as immunomodulating agents
granted -
US 7332612
Amorphous and crystalline forms of losartan potassium and process for their preparation
granted -
US 7335799
Hydroxyl compounds and compositions for cholesterol management and related uses
granted -
US 7348429
Process for purifying N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide(zaleplon) and crystalline forms of zaleplon accessible with the process
granted -
US 7357945
Stable pharmaceutical formulation of paroxetine hydrochloride and a process for preparation thereof
granted -
US 7358390
Polymorphic forms of nateglinide
granted -
US 7358360
Risedronate sodium having a very low content of iron
granted -
US 7358247
Mycophenolate mofetil impurity
granted -
US 7361664
Vitamin D receptor antagonists and related compositions and methods of use
granted -
US 7368468
Fluvastatin sodium crystal forms XIV, LXXIII, LXXIX, LXXX and LXXXVII, processes for preparing them, compositions containing them and methods of using them
granted -
US 7368606
Amorphous cinacalcet hydrochloride and preparation thereof
granted -
US 7378108
Percutaneous absorption preparation of compound having angiotensin II antagonistic activity
granted -
US 7390807
Crystal forms of lamotrigine and processes for their preparations
granted -
US 7396542
Stable pharmaceutical formulation of paroxetine hydrochloride anhydrous and a process for preparation thereof
granted -
US 7396860
Use of rasagiline with or without riluzole to treat amyotrophic lateral sclerosis
granted
Frequently asked questions
What is a patent cliff?
A patent cliff is when key pharmaceutical patents expire, opening markets to generics or biosimilars. This hub lists USPTO patents with approaching expiration dates.
Are expiration dates estimates?
Expiration dates derive from USPTO PatentsView grant dates and term estimates. Confirm with Orange Book, patent counsel, and USPTO records before investment decisions.