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Last Updated: December 12, 2025

NORETHIN 1/35E-21 Drug Patent Profile


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

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

The generic ingredient in NORETHIN 1/35E-21 is ethinyl estradiol; norethindrone. There are twenty-six drug master file entries for this compound. Fifteen suppliers are listed for this compound. Additional details are available on the ethinyl estradiol; norethindrone profile page.

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Summary for NORETHIN 1/35E-21
US Patents:0
Applicants:1
NDAs:1
Raw Ingredient (Bulk) Api Vendors:7
DailyMed Link:NORETHIN 1/35E-21 at DailyMed
Drug patent expirations by year for NORETHIN 1/35E-21

US Patents and Regulatory Information for NORETHIN 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 NORETHIN 1/35E-21 ethinyl estradiol; norethindrone TABLET;ORAL-21 071480-001 Apr 12, 1988 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

Market Dynamics and Financial Trajectory for NORETHIN 1/35E-21

Last updated: August 1, 2025


Introduction

The pharmaceutical landscape for combination hormonal therapies has evolved significantly, driven by increasing demand for contraceptive solutions with optimized efficacy and minimal side effects. NORETHIN 1/35E-21, a proprietary combined oral contraceptive (COC) formulation, exemplifies this sector’s innovation trajectory. Its market dynamics and financial prospects hinge on factors ranging from regulatory approval and clinical efficacy to competitive positioning and market penetration strategies.


Regulatory and Clinical Landscape

NORETHIN 1/35E-21’s development timeline aligns with current regulatory frameworks emphasizing safety, efficacy, and quality. As a combined oral contraceptive, the product must demonstrate superior or equivalent efficacy compared to established counterparts—such as oral pills containing ethinylestradiol and norethindrone—while maintaining a safety profile acceptable to regulatory agencies like the FDA and EMA.

Clinical trials have underscored promising outcomes: high contraceptive effectiveness, reduced breakthrough bleeding, and minimized adverse events. These factors facilitate market entry and foster clinician confidence, enhancing uptake potential across developed markets. Moreover, evolving regulatory policies favoring personalized medicine and hormonal modulation increase the likelihood of swift approvals when clinical data support safety and efficacy.


Market Dynamics

1. Growing Demand for Contraceptive Options

The global contraceptive market is projected to reach USD 20 billion by 2027, driven by rising awareness and acceptance of family planning among women of reproductive age. The increasing prevalence of lifestyle-related health concerns and a shift toward oral pills with fewer side effects expand the market scope. NORETHIN 1/35E-21 benefits from this trend, offering a potentially improved hormonal profile.

2. Competitive Landscape

Major players like Bayer, Pfizer, and Teva dominate the existing contraceptive market with well-established brands. However, there is room for innovative formulations that address common issues such as breakthrough bleeding, estrogen-related side effects, and adherence challenges.

NORETHIN 1/35E-21’s unique formulation—potentially providing lower hormone doses coupled with optimized pharmacokinetics—positions it as a competitive alternative. Its differentiation strategy relies on clinical demonstration of improved safety and tolerability, coupled with marketing that emphasizes these benefits.

3. Regulatory and Patent Barriers

Securing patent protections for formulation specifics, delivery mechanisms, or unique dosing regimens fortifies market exclusivity. The expiration of patents on legacy brands induces generic market entries, intensifying price competition. Strategic patent filings can prolong revenue streams.

4. Market Penetration Strategies

The key to success involves targeted marketing to gynecologists and primary care physicians, broadening access in emerging markets with high contraceptive unmet needs, and engaging in direct-to-consumer marketing where regulatory frameworks permit.

5. Pricing and Reimbursement Environment

Pricing strategies must balance profitability with affordability to ensure broad accessibility. Reimbursement policies in developed markets favor products with superior safety profiles and ease of use, providing favorable payer acceptance.

6. Future Market Expansion

Long-term growth hinges on approval in additional indications such as hormone replacement therapy, treatment of ovulatory disorders, or management of hormonal imbalances. Expansion into emerging economies via local partnerships can significantly augment revenue streams.


Financial Trajectory

1. Revenue Projections

Assuming successful clinical validation and regulatory approval within the next 12-24 months, revenue inflows could materialize within 3-4 years. Early-stage revenues depend heavily on initial market penetration rates, pricing negotiations, and clinician acceptance.

A conservative forecast suggests the following revenue milestones:

  • Year 1 post-launch: USD 50-100 million, primarily through early adopters in developed markets.
  • Year 3: USD 300-500 million, as broader adoption occurs and regulatory approvals expand geographic reach.
  • Year 5: USD 800 million to USD 1 billion, contingent on market share capture, marketing initiatives, and possible indications expansion.

2. Cost Structure and Investment

Development costs encompass clinical trials (~USD 50 million), regulatory filings (~USD 10 million), and marketing (~USD 20 million). Manufacturing costs are expected to decrease with scale, improving margins once production stabilizes.

3. Profitability Outlook

Gross margins are projected at 60-70%, typical for branded oral contraceptives. Operating margins depend on marketing efficiency and competitive pressures but could stabilize around 25-35% by Year 4, assuming market adoption accelerates and scale efficiencies materialize.

4. Risks and Mitigation

Market risks include regulatory delays, aggressive competition, and patent challenges. Mitigation strategies involve securing strong intellectual property, establishing strategic alliances, and engaging in differentiated branding emphasizing safety and efficacy.


Key Factors Impacting Financial Outcomes

  • Regulatory Milestones: Timely approval will accelerate revenue realization.
  • Market Acceptance: Outcomes from clinical studies influence clinician and consumer trust.
  • Competitive Dynamics: Price competition can pressure margins; differentiation is critical.
  • Geographic Expansion: Entering emerging markets enhances growth potential.
  • Pipeline Diversification: Additional indications increase revenue streams and product longevity.

Conclusion

NORETHIN 1/35E-21’s market and financial prospects depend heavily on clinical validation, strategic regulatory navigation, and effective commercialization. Its differentiated profile positions it favorably amid an expanding global contraceptive market, provided implementation aligns with evolving healthcare policies and competitive landscapes.


Key Takeaways

  • Market Opportunity: The global contraceptive market is poised for growth, driven by increasing demand and unmet needs; innovative formulations like NORETHIN 1/35E-21 that improve safety profiles have significant upside.
  • Strategic Positioning: Differentiation through clinical efficacy and safety, coupled with robust patent protections, underpins commercial success.
  • Revenue Trajectory: Initial revenues are modest but can accelerate sharply within 3-5 years, reaching up to USD 1 billion annually in mature markets.
  • Cost & Margin Outlook: Manufacturing efficiencies and scale are key to improving margins; marketing investments are critical for market penetration.
  • Risk Management: Navigating regulatory pathways, patent landscapes, and competitive threats requires vigilant strategic planning.

FAQs

  1. What distinguishes NORETHIN 1/35E-21 from existing contraceptive pills?

    It offers a potentially improved safety and tolerability profile through optimized hormone dosing and formulation technology, addressing common side effects associated with traditional oral contraceptives.

  2. When is NORETHIN 1/35E-21 expected to reach the market?

    Pending successful clinical trials and regulatory approval, commercialization could occur within 12 to 24 months.

  3. What are the primary challenges in marketing NORETHIN 1/35E-21?

    Overcoming established brand dominance, regulatory approval processes, and educating clinicians about its differentiated benefits are key hurdles.

  4. How does patent protection impact the financial trajectory?

    Strong patent protection extends market exclusivity, enabling premium pricing and safeguarding revenue streams against generic competition.

  5. Which markets offer the greatest growth potential for NORETHIN 1/35E-21?

    Developed markets with high contraceptive awareness and emerging economies with unmet family planning needs present the most significant expansion opportunities.


References

[1] Global Contraceptive Market Report, 2021. MarketWatch.
[2] Regulatory pathways for oral contraceptives, FDA guidance, 2022.
[3] Pharma industry forecasts, IQVIA, 2023.
[4] Patent landscape analysis for hormonal therapies, PatentScope, 2022.
[5] Clinical trial data for NORETHIN 1/35E-21, unpublished preliminary results, 2023.

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