When Does the Tadalafil Patent Expire?
The primary patent protecting tadalafil, the active ingredient in Cialis, is set to expire in 2027 [1]. This expiration date refers to U.S. Patent No. 6,864,263, which is expected to conclude on September 16, 2027 [1].
What Happens After the Tadalafil Patent Expires?
Following the patent expiration, the market for tadalafil is anticipated to open up to generic competition [2]. This typically leads to a decrease in drug prices as multiple manufacturers offer their versions of the medication [2].
Are There Other Patents on Tadalafil?
In addition to the main patent, there may be other patents related to tadalafil, such as those covering specific formulations, methods of use, or manufacturing processes [3]. These secondary patents could potentially extend market exclusivity for certain applications or delivery methods beyond the primary patent's expiry [3]. DrugPatentWatch.com tracks these patents and their expiration dates [4].
What is Tadalafil Used For?
Tadalafil is primarily prescribed to treat erectile dysfunction (ED) and symptoms of benign prostatic hyperplasia (BPH) [5]. It is also used to manage pulmonary arterial hypertension (PAH) under the brand name Adcirca [5].
Who Makes Tadalafil?
Tadalafil is currently manufactured by Eli Lilly and Company under the brand name Cialis and Adcirca [5]. Following patent expiration, other pharmaceutical companies are expected to produce and market generic versions of tadalafil [2].