PHEXXI Drug Patent Profile
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Which patents cover Phexxi, and when can generic versions of Phexxi launch?
Phexxi is a drug marketed by Evofem Inc and is included in one NDA. There are four patents protecting this drug and one Paragraph IV challenge.
This drug has forty-six patent family members in eighteen countries.
The generic ingredient in PHEXXI is citric acid; lactic acid; potassium bitartrate. There are five drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the citric acid; lactic acid; potassium bitartrate profile page.
DrugPatentWatch® Generic Entry Outlook for Phexxi
By analyzing the patents and regulatory protections it appears that the earliest date
for generic entry will be March 15, 2033. This may change due to patent challenges or generic licensing.
There has been one patent litigation case involving the patents protecting this drug, indicating strong interest in generic launch. Recent data indicate that 63% of patent challenges are decided in favor of the generic patent challenger and that 54% of successful patent challengers promptly launch generic drugs.
Indicators of Generic Entry
AI Deep Research
Questions you can ask:
- What is the 5 year forecast for PHEXXI?
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- What is Average Wholesale Price for PHEXXI?
Summary for PHEXXI
| International Patents: | 46 |
| US Patents: | 4 |
| Applicants: | 1 |
| NDAs: | 1 |
| Finished Product Suppliers / Packagers: | 1 |
| Clinical Trials: | 3 |
| Drug Prices: | Drug price information for PHEXXI |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for PHEXXI |
| What excipients (inactive ingredients) are in PHEXXI? | PHEXXI excipients list |
| DailyMed Link: | PHEXXI at DailyMed |

DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for PHEXXI
Generic Entry Date for PHEXXI*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:
GEL;VAGINAL |
*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.
Recent Clinical Trials for PHEXXI
Identify potential brand extensions & 505(b)(2) entrants
| Sponsor | Phase |
|---|---|
| Queen's Medical Center | Early Phase 1 |
| University of Hawaii Foundation | Early Phase 1 |
| Parexel | Phase 3 |
Pharmacology for PHEXXI
| Drug Class | Anti-coagulant Calculi Dissolution Agent |
| Mechanism of Action | Acidifying Activity Calcium Chelating Activity |
| Physiological Effect | Decreased Coagulation Factor Activity |
Paragraph IV (Patent) Challenges for PHEXXI
| Tradename | Dosage | Ingredient | Strength | NDA | ANDAs Submitted | Submissiondate |
|---|---|---|---|---|---|---|
| PHEXXI | Vaginal Gel | citric acid; lactic acid; potassium bitartrate | 1.8%/1%/0.4% | 208352 | 1 | 2023-02-28 |
US Patents and Regulatory Information for PHEXXI
PHEXXI is protected by four US patents.
Based on analysis by DrugPatentWatch, the earliest date for a generic version of PHEXXI is ⤷ Get Started Free.
This potential generic entry date is based on patent 11,337,989.
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
Expired US Patents for PHEXXI
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Patent No. | Patent Expiration |
|---|---|---|---|---|---|---|---|
| Evofem Inc | PHEXXI | citric acid; lactic acid; potassium bitartrate | GEL;VAGINAL | 208352-001 | May 22, 2020 | 6,706,276 | ⤷ Get Started Free |
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >Patent No. | >Patent Expiration |
International Patents for PHEXXI
When does loss-of-exclusivity occur for PHEXXI?
Based on analysis by DrugPatentWatch, the following patents block generic entry in the countries listed below:
Australia
Patent: 14368971
Estimated Expiration: ⤷ Get Started Free
Patent: 20202835
Estimated Expiration: ⤷ Get Started Free
Brazil
Patent: 2016014506
Estimated Expiration: ⤷ Get Started Free
China
Patent: 6029078
Estimated Expiration: ⤷ Get Started Free
Patent: 4452298
Patent: 使用基于藻酸的抗微生物化合物抑制炎症和疾病的组合物和方法 (Compositions and methods for inhibiting inflammation and diseases using alginic acid-based antimicrobial compounds)
Estimated Expiration: ⤷ Get Started Free
Denmark
Patent: 82826
Estimated Expiration: ⤷ Get Started Free
European Patent Office
Patent: 82826
Patent: COMPOSITIONS ET MÉTHODES POUR L'INHIBITION D'UNE INFLAMMATION ET DE MALADIES À L'AIDE D'UN COMPOSÉ ANTIMICROBIEN À BASE D'ACIDE ALGINIQUE (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND)
Estimated Expiration: ⤷ Get Started Free
Patent: 35966
Patent: COMPOSITIONS ET MÉTHODES POUR L'INHIBITION D'UNE INFLAMMATION ET DE MALADIES À L'AIDE D'UN COMPOSÉ ANTIMICROBIEN À BASE D'ACIDE ALGINIQUE (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND)
Estimated Expiration: ⤷ Get Started Free
Israel
Patent: 6146
Patent: תכשירים מווסתי חומציות למניעת הריון, באמצעות תרכובת אנטי מיקרוביאלית מבוססת חומצה אלגינית (Acid buffering contraceptive compositions using an alginic acid-based antimicrobial compound)
Estimated Expiration: ⤷ Get Started Free
Japan
Patent: 17501227
Patent: アルギン酸をベースとする抗菌性化合物を使用して炎症と疾患を阻害するための組成物及び方法
Estimated Expiration: ⤷ Get Started Free
Patent: 20125298
Patent: アルギン酸をベースとする抗菌性化合物を使用して炎症と疾患を阻害するための組成物及び方法 (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES BY USING ALGINIC ACID-BASED ANTIMICROBIAL COMPOUNDS)
Estimated Expiration: ⤷ Get Started Free
Patent: 22070924
Patent: アルギン酸をベースとする抗菌性化合物を使用して炎症と疾患を阻害するための組成物及び方法
Estimated Expiration: ⤷ Get Started Free
Mexico
Patent: 16008023
Patent: COMPOSICIONES Y METODOS PARA INHIBIR LA INFLAMACION Y LAS ENFERMEDADES UTILIZANDO UN COMPUESTO ANTIMICROBIANO CON BASE EN ACIDO ALGINICO. (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND.)
Estimated Expiration: ⤷ Get Started Free
Patent: 21001742
Patent: COMPOSICIONES Y METODOS PARA INHIBIR LA INFLAMACION Y LAS ENFERMEDADES UTILIZANDO UN COMPUESTO ANTIMICROBIANO CON BASE EN ACIDO ALGINICO. (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND.)
Estimated Expiration: ⤷ Get Started Free
New Zealand
Patent: 2215
Patent: Compositions and methods for inhibiting inflammation and diseases using an alginic acid-based antimicrobial compound
Estimated Expiration: ⤷ Get Started Free
Russian Federation
Patent: 91950
Patent: КОМПОЗИЦИИ И СПОСОБЫ ИНГИБИРОВАНИЯ ВОСПАЛЕНИЯ И ЗАБОЛЕВАНИЙ С ПРИМЕНЕНИЕМ АНТИМИКРОБНОГО СОЕДИНЕНИЯ НА ОСНОВЕ АЛЬГИНОВОЙ КИСЛОТЫ (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND)
Estimated Expiration: ⤷ Get Started Free
Patent: 16129069
Patent: КОМПОЗИЦИИ И СПОСОБЫ ИНГИБИРОВАНИЯ ВОСПАЛЕНИЯ И ЗАБОЛЕВАНИЙ С ПРИМЕНЕНИЕМ АНТИМИКРОБНОГО СОЕДИНЕНИЯ НА ОСНОВЕ АЛЬГИНОВОЙ КИСЛОТЫ
Estimated Expiration: ⤷ Get Started Free
South Africa
Patent: 1604862
Patent: COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND
Estimated Expiration: ⤷ Get Started Free
South Korea
Patent: 2407408
Estimated Expiration: ⤷ Get Started Free
Patent: 160103036
Patent: 알긴산계 항균성 화합물을 사용하는 염증 및 질병을 억제하기 위한 조성물 및 방법 (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND)
Estimated Expiration: ⤷ Get Started Free
Spain
Patent: 90703
Estimated Expiration: ⤷ Get Started Free
Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.
See the table below for additional patents covering PHEXXI around the world.
| Country | Patent Number | Title | Estimated Expiration |
|---|---|---|---|
| World Intellectual Property Organization (WIPO) | 2013187984 | ⤷ Get Started Free | |
| Ukraine | 115876 | КОМПОЗИЦІЯ І СПОСІБ ПІДВИЩЕННЯ ЕФЕКТИВНОСТІ БАКТЕРИЦИДНИХ ЗАСОБІВ КОНТРАЦЕПЦІЇ (COMPOSITIONS AND METHODS FOR ENHANCING THE EFFICACY OF CONTRACEPTIVE MICROBICIDES) | ⤷ Get Started Free |
| Mexico | 2021001742 | COMPOSICIONES Y METODOS PARA INHIBIR LA INFLAMACION Y LAS ENFERMEDADES UTILIZANDO UN COMPUESTO ANTIMICROBIANO CON BASE EN ACIDO ALGINICO. (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND.) | ⤷ Get Started Free |
| Mexico | 2016008023 | COMPOSICIONES Y METODOS PARA INHIBIR LA INFLAMACION Y LAS ENFERMEDADES UTILIZANDO UN COMPUESTO ANTIMICROBIANO CON BASE EN ACIDO ALGINICO. (COMPOSITIONS AND METHODS FOR INHIBITING INFLAMMATION AND DISEASES USING AN ALGINIC ACID-BASED ANTIMICROBIAL COMPOUND.) | ⤷ Get Started Free |
| >Country | >Patent Number | >Title | >Estimated Expiration |
Market Dynamics and Financial Trajectory for PHEXXI: A Comprehensive Analysis
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