Patent estate

Evofem Inc. — Patent Portfolio

1 drug with active patents · 11 active patents · 0 expired · 0 biologics with BPCIA exclusivity

AI-enriched 11/11 patents with grounded plain-English summaries · sourced from FDA Orange Book + Purple Book · updated 2026-05-18

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Strategic Patent Estate Brief
AI-grounded executive summary · generated 2026-05-16

Verdict The Evofem Inc. portfolio is moderately vulnerable with an average vulnerability score of 65, and the company faces a significant cliff year in 2035 with 1 drug losing exclusivity, including Solosec.

Portfolio overview The Evofem Inc. portfolio consists of a total of 4 drugs, with 1 of them having patents. The company has a total of 11 US patents, all of which are active. The average vulnerability score of the portfolio is 65, indicating a moderate level of vulnerability. Out of the total patents, 0 are ironclad, while 4 are vulnerable.

Cliff calendar The company faces a significant cliff year in 2035, with 1 drug losing exclusivity. This includes Solosec, which will lose exclusivity on September 4, 2035. Additionally, 4 drugs lose exclusivity in 2035 including Solosec.

Most exposed drugs The top drug facing near-term loss of exclusivity is Solosec, with an earliest active patent expiry date of September 4, 2035, an average vulnerability score of 65, and no annual revenue data available. Solosec has 11 patents and is the only drug in the portfolio with a vulnerability score.

Biologic exclusivity There are no biologics in the Evofem Inc. portfolio.

Strategic implications The company faces a total revenue at risk of $0 in the next 5 years. Considering the upcoming loss of exclusivity for Solosec in 2035, the company may want to consider lifecycle moves such as label extensions or combination filings to maintain revenue.

Sources: FDA Orange Book · FDA Purple Book · INPADOC family · USPTO · vulnerability scoring. Not legal advice.

Loss of exclusivity calendar · next 12 years

Drugs facing US patent or BPCIA biologic exclusivity loss per year. Click any year to see the broader cliff calendar for the industry.

Patent estate by drug

Solosec (SECNIDAZOLE)

Cliff 2035 · 9y
Method of Use 11
  • US12280037 Vuln 75 2041-12-11
    This patent protects a method of treating or preventing trichomoniasis using a therapeutically effective amount of secnidazole or a salt in a microgranule formulation.
  • US11602522 Vuln 70 2035-09-04
    This patent protects a method of treating sexually transmitted infections by administering a therapeutically effective amount of secnidazole in a microgranule formulation.
  • US11324721 Vuln 70 2035-09-04
    This patent protects the use of secnidazole formulations for treating trichomoniasis in a subject in need of treatment.
See all 11 patents →

Patent classification breakdown · active patents

By US patent type. Method-of-use patents are most vulnerable to design-around; composition-of-matter patents are the strongest protection.

  • Method of Use 11 patents

Sources

  • FDA Orange Book — small-molecule patents listed against approved NDAs.
  • FDA Purple Book — biologic BPCIA 12-year reference product exclusivity.
  • USPTO Patent Public Search — title, abstract, claim text grounding.
  • AI summaries generated by Drug Landscape, grounded in source claim text.

Patent term extensions (PTR, SPC, pediatric exclusivity) may shift effective expiry. Not legal advice.

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