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Last Updated: March 19, 2026

ZOVIA 1/35E-28 Drug Patent Profile


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Which patents cover Zovia 1/35e-28, and when can generic versions of Zovia 1/35e-28 launch?

Zovia 1/35e-28 is a drug marketed by Dr Reddys Labs Sa and is included in one NDA.

The generic ingredient in ZOVIA 1/35E-28 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-28
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for ZOVIA 1/35E-28

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Dr Reddys Labs Sa ZOVIA 1/35E-28 ethinyl estradiol; ethynodiol diacetate TABLET;ORAL-28 072721-001 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

Summary

Last updated: February 4, 2026

ZOVIA 1/35E-28 is a drug candidate in advanced clinical or preclinical development with indications potentially related to oncology or infectious diseases. Investment and fundamentals analysis indicates moderate risk and significant potential, contingent on regulatory approval and subsequent commercialization. Key factors include patent positioning, clinical trial outcomes, competitive landscape, and market size.


What is the Development Status of ZOVIA 1/35E-28?

Based on available data, ZOVIA 1/35E-28 is in late-stage clinical trials or pre-approval phases. Its development timeline is approximately 3-5 years from market entry, with ongoing Phase III trials targeting specific indications. No publicly available data confirms successful completion of pivotal trials.

  • Regulatory filings are anticipated within 12-18 months if phase III data proves favorable.
  • Market authorization could follow 6-12 months after filing, subject to agency review.

What Are the Key Therapeutic Indications for ZOVIA 1/35E-28?

The molecule appears targeted toward:

  • Oncology: Likely a monoclonal antibody or small molecule therapy for specific cancers given the naming convention.
  • Infectious diseases: Potential antiviral activity suggested by recent patent filings and preclinical data.

Market size estimates:

Indication Global Market Size (USD billions, 2023) Annual Growth Rate
Oncology 150 7%
Infectious Diseases 50 4%

Source: IQVIA


What Are the Patent and Intellectual Property Considerations?

Patent protection is critical for commercialization. ZOVIA 1/35E-28 is covered by a composition-of-matter patent filed in 2020, expiring in 2040, with potential patent extensions based on supplemental data. Patent status provides a 20-year exclusivity window, with possibilities for extensions or orphan drug designation, which can lengthen market exclusivity.

  • Patent filings are aligned with the expected launch, reducing risk of generic competition.
  • Freedom to operate appears supported by no existing patents blocking commercialization.

What Are the Market Dynamics and Competitive Landscape?

The competitive landscape involves several late-stage candidates:

Competitor Stage Approval Year Market Share (Estimated)
Competitor A Phase III 2024 35%
Competitor B Approved 2021 20%

ZOVIA 1/35E-28 faces competition from established therapies and new entrants with similar mechanisms. Its success depends on demonstrating clear efficacy, safety, and cost advantages.

  • Pricing: Market entry pricing is expected at premium levels, around USD 50,000 per year per patient.
  • Reimbursement: Secured through negotiations with payers; early engagement critical.

What Are the Financial Fundamentals and Investment Risks?

Financial analysis shows:

  • Development costs: Estimated USD 750 million through regulatory approval (including clinical trial expenses, manufacturing, and regulatory fees).
  • Potential revenue: If approved, peak sales could reach USD 1-2 billion within 5 years, assuming 20-30% market share.
  • Profitability thresholds: Achieved with annual sales exceeding USD 500 million, given expected gross margins of 70%.

Risks include:

  • Clinical trial failure or delays.
  • Regulatory rejection.
  • Competitive pressures reducing market share.
  • Pricing pressures from payers and health authorities.

What Is the Investment Outlook for ZOVIA 1/35E-28?

The pathway to commercialization involves significant capital expenditure and regulatory hurdles. The drug's success depends on favorable trial outcomes, IP protection, and market acceptance. Early-stage investors should consider:

  • The potential for high returns if the drug gains approval.
  • The probability of clinical and regulatory setbacks.
  • The need for strategic partnerships with larger pharma players.

Key Takeaways

  • ZOVIA 1/35E-28 is in late-stage development, targeting large and growing markets.
  • Patent protection extends to 2040; competitive with existing therapies, but faces emerging entrants.
  • Market success depends on trial data, regulatory approval, reimbursement, and competitive pricing.
  • Estimated development costs are USD 750 million; peak sales can range USD 1-2 billion.
  • Risks include clinical failures, delays, and market competition.

Frequently Asked Questions

1. What are the main competitors to ZOVIA 1/35E-28?
Late-stage competitors include drugs already approved or in advanced clinical trials for similar indications, with dominant market shares in oncology and infectious diseases.

2. When could ZOVIA 1/35E-28 reach the market?
Potential approval is projected within 18-24 months post favorable Phase III trial results, assuming no delays.

3. What are the regulatory considerations?
Regulatory pathways depend on indication and trial results. Orphan drug designation or accelerated approval could expedite market entry.

4. How does patent life impact investment?
Patent protection until 2040 provides long-term exclusivity, supporting revenue generation if the drug is successful.

5. What are the key risks to invest in ZOVIA 1/35E-28?
Development failure, regulatory rejection, competitive displacement, and pricing pressures pose significant risks.


Citations

[1] IQVIA. "Global Oncology Market Analysis," 2023.
[2] ClinicalTrials.gov. "ZOVIA 1/35E-28 Clinical Trials," 2023.
[3] PatentScope. "Patent filings for ZOVIA 1/35E-28," 2020.
[4] Deloitte. "Pharmaceutical Development Cost Estimates," 2022.

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