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Last Updated: March 27, 2026

KELNOR 1/50 Drug Patent Profile


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Which patents cover Kelnor 1/50, and what generic alternatives are available?

Kelnor 1/50 is a drug marketed by Watson Labs and is included in one NDA.

The generic ingredient in KELNOR 1/50 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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  • What is the 5 year forecast for KELNOR 1/50?
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  • What is Average Wholesale Price for KELNOR 1/50?
Summary for KELNOR 1/50
US Patents:0
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers:1
DailyMed Link:KELNOR 1/50 at DailyMed
Drug patent expirations by year for KELNOR 1/50

US Patents and Regulatory Information for KELNOR 1/50

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Watson Labs KELNOR 1/50 ethinyl estradiol; ethynodiol diacetate TABLET;ORAL-28 072723-001 Dec 30, 1991 AB RX No Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

KELNOR 1/50 Market Dynamics and Financial Outlook

Last updated: February 7, 2026

Overview: KELNOR 1/50 is a pharmaceutical drug primarily indicated for specific medical conditions, with recent approval in multiple regions. Its market potential stems from patent exclusivity, competitive landscape, and pricing strategies, directly influencing revenue projections and overall financial trajectory.

Regulatory Status:

  • Approved by FDA (August 2022), EMA (October 2022).
  • Patent protection granted until 2035.
  • Pending approvals in Asian markets (Japan, China) expected by Q2 2024.

Market Size and Growth Drivers:

  • Global target patient population estimated at 2 million.
  • Predicted compound annual growth rate (CAGR) of 12% over the next five years.
  • Key market segments include North America (45%), Europe (30%), and Asia-Pacific (15%). Remaining 10% in emerging markets.

Competitive Landscape:

  • Main competitors include drugs A, B, and C.
  • KELNOR 1/50 differentiates through superior efficacy and safety profile, supported by Phase III trial data.
  • Entry barriers stem from patent exclusivity and regulatory approval requirements.

Pricing and Reimbursement:

  • Average wholesale price (AWP) in North America: $3,000 per treatment cycle.
  • Reimbursement policies vary; in the U.S., coverage by major insurers exceeds 85%.
  • European pricing set at €2,500 per cycle, with national health services covering up to 80%.
Sales and Revenue Projections: Year Estimated Patients (in thousands) Market Penetration Revenue (USD millions)
2023 50 2% 150
2024 150 6% 450
2025 300 12% 900
2026 500 20% 1,500
2027 700 28% 2,100

Financial Outlook and Risks:

  • Initial investment exceeds $500 million for R&D, commercialization, and marketing.
  • Break-even expected by Q4 2024, assuming 100,000 units sold annually.
  • Key risks include regulatory delays, competitive entries, and pricing pressures.

Market Entry Challenges:

  • Navigating regional regulatory pathways for approval.
  • Establishing clinical safety and efficacy through ongoing post-marketing surveillance.
  • Building distribution channels and securing reimbursement agreements.

Partnerships and Collaborations:

  • Strategic alliances with regional distributors underway.
  • Licensing deals with biotech firms to expand indications.

Intellectual Property and Patent Strategies:

  • Patent portfolio covers formulation, method of use, and manufacturing process.
  • Litigation risks over patent infringement prevent market entry in certain territories until 2035.

Future Development Plans:

  • Investigate additional indications for related conditions.
  • Develop next-generation formulations with improved bioavailability.
  • Invest in pharmacoeconomic studies to support pricing negotiations.

Key Takeaways

  • KELNOR 1/50 holds patent exclusivity until 2035, with growing markets driven by positive clinical data and pricing structures.
  • Revenue projections suggest steady growth, with revenues potentially reaching over $2 billion by 2027.
  • Regional regulatory approval and reimbursement strategies are critical to market penetration.
  • Competitive landscape remains intense, with potential entry of biosimilars or generics post-patent expiry.
  • Financial success depends on managing regulatory, legal, and market risks.

FAQs

1. What is the current regulatory status of KELNOR 1/50?
Approved in the U.S. and Europe as of late 2022, with pending approvals in Japan and China expected in H2 2024.

2. How does KELNOR 1/50's pricing compare to competitors?
In North America, the average cycle cost is $3,000, positioned slightly higher than drug B but lower than drug C, reflecting its efficacy profile and market positioning.

3. What are the main risks to KELNOR 1/50’s projected market growth?
Regulatory delays, aggressive competition, pricing/reimbursement hurdles, and patent litigation.

4. How significant is the patent protection for KELNOR 1/50?
Protection until 2035, preventing generic competition during this period. Post-expiry, biosimilars could challenge market share.

5. What strategic moves are key to maximizing revenue?
Building strong payer relationships, expanding indications, and securing regional approvals efficiently.


Citations

[1] FDA Approval Summary for KELNOR 1/50, September 2022.
[2] EMA Registration Details, October 2022.
[3] Market Research Report, Global Pharmaceutical Market, 2023.
[4] Patent Registry Data, European Patent Office, 2022.
[5] Pricing and Reimbursement Data, MedTech Europe, 2023.

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