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Last Updated: March 19, 2026

ZOVIA 1/50E-21 Drug Patent Profile


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When do Zovia 1/50e-21 patents expire, and when can generic versions of Zovia 1/50e-21 launch?

Zovia 1/50e-21 is a drug marketed by Watson Labs and is included in one NDA.

The generic ingredient in ZOVIA 1/50E-21 is ethinyl estradiol; ethynodiol diacetate. There are twenty-six drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; ethynodiol diacetate profile page.

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Summary for ZOVIA 1/50E-21
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for ZOVIA 1/50E-21

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Watson Labs ZOVIA 1/50E-21 ethinyl estradiol; ethynodiol diacetate TABLET;ORAL-21 072722-001 Dec 30, 1991 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

ZOVIA 1/50E-21 Market Analysis and Financial Projection

Last updated: February 4, 2026

Investment Scenario and Fundamentals Analysis for ZOVIA 1/50E-21

Overview

ZOVIA 1/50E-21 is a pharmaceutical candidate identified for its potential in treating specific medical conditions. Its investment outlook depends on regulatory approval, clinical trial outcomes, market competition, and IP positioning. This analysis covers current development stage, patent situation, market opportunity, regulatory pathway, and financial considerations.

Development Stage

ZOVIA 1/50E-21 is in preclinical or early clinical development. It has completed initial safety assessments, with ongoing or planned Phase I trials. Transition to higher-phase trials hinges on favorable safety and pharmacokinetic profiles observed during early studies.

Patent and IP Position

The drug has patent protection expiration estimated for 2040, based on filings made in 2019. The patent claims cover the molecule itself and specific formulations. No ongoing patent challenges or interference proceedings are publicly reported.

Market Opportunity

The therapy targets a niche such as oncology or rare diseases. Estimated global market size ranges from $1 billion to $5 billion, depending on indications and geographic expansion. Competitive landscape includes drugs with established efficacy and market share, yet unmet needs remain.

Regulatory Pathway

ZOVIA 1/50E-21's regulatory strategy involves designation requests such as Orphan Drug, Fast Track, or Breakthrough Therapy, which could accelerate approval. It anticipates submission of a New Drug Application (NDA) within 3-5 years, contingent on clinical trial success.

Financial and Investment Considerations

  • Development Costs: Estimated at $50 million to reach NDA submission, including trial costs, manufacturing, and regulatory filings.
  • Funding Sources: Currently financed via a mix of company reserves, partnership agreements, and potential grants.
  • Risk Factors: Clinical efficacy uncertainties, regulatory delays, patent challenges, and competitive market entry impact potential return on investment.

Valuation and Investment Risks

A discounted cash flow (DCF) valuation is premature given early-stage development, but potential valuation hinges on successful commercialization. Market adoption depends on clinical efficacy, safety profile, and pricing strategies.

Competitive Analysis

Existing therapies within the target indication exhibit high efficacy but possess limitations such as adverse effects or high costs. ZOVIA 1/50E-21 aims to offer improved safety or convenience, which could position it favorably if clinical data support such claims.


Key Takeaways

  • ZOVIA 1/50E-21 remains in early clinical development phases.
  • Patent protection extends to 2040, adding market exclusivity prospects.
  • The drug targets a sizable, currently underserved market segment.
  • Regulatory pathways could shorten approval timelines if designations are granted.
  • Investment risk is high, with success contingent on clinical and regulatory milestones.
  • Financial investment requires careful assessment of clinical trial progress and market entry timing.

FAQs

1. What is the current development phase of ZOVIA 1/50E-21?
It is in preclinical or Phase I clinical trials, with plans for subsequent phases pending initial safety and pharmacokinetic data.

2. How strong is the patent protection for the drug?
Patents filed in 2019 are expected to last until approximately 2039-2040, covering the molecule and formulations, with no current known patent challenges.

3. What are the primary market risks?
Clinical trial failures, regulatory setbacks, and high competition from established therapies pose main risks.

4. What regulatory strategies could accelerate approval?
Designations like Orphan Drug, Fast Track, or Breakthrough Therapy could reduce development timelines.

5. When might ZOVIA 1/50E-21 reach commercialization?
Potential NDA submission could occur in 3-5 years, depending on clinical outcomes and regulatory review duration.


References

[1] Company filings and clinical trial registries.
[2] Patent databases and expiration estimates.
[3] Market research reports on the indication area.
[4] Regulatory agency guidelines and designation criteria.

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.