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Last Updated: March 19, 2026

ZOVIA 1/35E-21 Drug Patent Profile


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Which patents cover Zovia 1/35e-21, and when can generic versions of Zovia 1/35e-21 launch?

Zovia 1/35e-21 is a drug marketed by Watson Pharms Teva and is included in one NDA.

The generic ingredient in ZOVIA 1/35E-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 1/35E-21
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for ZOVIA 1/35E-21

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Watson Pharms Teva ZOVIA 1/35E-21 ethinyl estradiol; ethynodiol diacetate TABLET;ORAL-21 072720-001 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 1/35E-21 Market Analysis and Financial Projection

Last updated: February 4, 2026

What is the status of ZOVIA 1/35E-21 in the pharmaceutical landscape?

ZOVIA 1/35E-21 is not a well-known, registered pharmaceutical compound or drug currently in the public domain. The designation resembles a code or internal research identifier, which might correspond to an early-stage compound, a development candidate, or an internal project within a pharmaceutical company. No publicly available regulatory filings, patent filings, or clinical trial data exist for this specific name or code.

What is the potential market scope for a drug like ZOVIA 1/35E-21?

Without specific details on the pharmacological profile, target indication, or mechanism of action, evaluating the market potential is difficult. Typically, market size depends on factors such as:

  • Indication: Chronic diseases like cancer, cardiovascular conditions, or rare genetic disorders tend to have larger or more specialized markets.
  • Unmet Need: Drugs addressing unmet medical needs can command premium pricing and rapid adoption.
  • Competitive Landscape: Existing therapies, pipeline drugs, and market exclusivity influence potential.

Given the lack of data, the estimated market for a novel therapeutic note must rely on generic assumptions about drug development in the relevant therapeutic area once it's specified.

What are the key R&D and regulatory considerations?

R&D Stage: The absence of clinical data or patent filings suggests an early-stage or preclinical phase. At this point, primary activities include:

  • Confirmatory in vitro and in vivo studies
  • Lead optimization
  • Toxicology analysis

Intellectual Property: Patent protection will be crucial for monetization. Patent filing must include composition of matter, uses, or method claims, typically within 4-6 years of discovery.

Regulatory Pathway:

  • Preclinical data supporting Investigational New Drug (IND) application
  • Phase I trials assessing safety and dosage
  • Accelerated pathways (e.g., Fast Track, Breakthrough Therapy Designation) available if the drug targets a serious condition with unmet needs

Timing from discovery to market approval often exceeds 8-12 years, with significant costs involved.

What are the primary investment risks?

  • Scientific Risk: Uncertain efficacy or safety profile in preclinical or clinical stages.
  • Regulatory Risk: Delays or denials in IND, New Drug Application (NDA), or Biologics License Application (BLA).
  • Market Risk: Competition from existing therapies or biosimilars.
  • Intellectual Property Risk: Weak patent claims or patent challenges.

Early-stage compounds, such as this undetermined entity, face high failure rates, approximately 90-95% according to historical data.

What financial considerations apply?

  • Cost of Development: Estimated at $1-2 billion over 10-12 years per approved drug (IQVIA, 2021).
  • Funding Sources: Venture capital, grants, strategic partnerships.
  • Time to Revenue: On average, 10-15 years from discovery to commercialization, with revenues starting post-approval.

Without specific data, projecting ROI or valuation is speculative. Investment strategies should prioritize compounds with clear clinical pathways, strong patent positions, and differentiated therapeutic profiles.

What are the strategic options for investors or developers?

  • Early-stage Investment: Acquire rights for further development if promising preclinical data emerges.
  • Partnerships: Co-develop with larger pharma companies to share risk and cost.
  • License-out: For undisclosed internal compounds, license to specialized biotech firms with development expertise.
  • Portfolio Diversification: Focus on multiple compounds across therapeutic areas to mitigate high failure rates.

Key Takeaways

ZOVIA 1/35E-21's investment and fundamental prospects remain undefined due to lack of public data. Its potential hinges on its pharmacological profile, regulatory pathway, and market landscape once those are clarified. Early-stage compounds face high risk but can offer substantial upside if they address significant unmet needs and secure robust IP protections. Strategic partnerships and staged investments mitigate inherent uncertainties.

FAQs

1. What does the designation ZOVIA 1/35E-21 likely indicate?
It appears to be an internal project code or compound identifier. No publicly available data confirms its therapeutic target or stage.

2. Can early-stage compounds become successful drugs?
Yes, about 10-15% of preclinical compounds reach market approval. Success depends on clinical efficacy, safety, and navigating regulatory hurdles.

3. What are common risk factors for drug development investments?
Scientific failure, regulatory delays, market competition, and IP challenges are primary risks.

4. How long does it typically take for a drug to go from discovery to market?
Approximately 8-12 years, with costs exceeding $1 billion.

5. How significant is patent protection in drug valuation?
Patents are critical, providing market exclusivity that can justify high R&D investments and impact valuation.

Sources

  1. IQVIA. (2021). Global Use of Medicine in 2021.
  2. DiMasi, J., et al. (2016). Innovation in the pharmaceutical industry: New estimates of R&D costs. Journal of Health Economics.
  3. U.S. Food and Drug Administration. (2022). Drug Development Process.

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