Last Updated: May 3, 2026

NORETHIN 1/35E-28 Drug Patent Profile


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When do Norethin 1/35e-28 patents expire, and what generic alternatives are available?

Norethin 1/35e-28 is a drug marketed by Watson Labs and is included in one NDA.

The generic ingredient in NORETHIN 1/35E-28 is ethinyl estradiol; norethindrone. There are twenty-six drug master file entries for this compound. Fourteen 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-28

US Patents and Regulatory Information for NORETHIN 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
Watson Labs NORETHIN 1/35E-28 ethinyl estradiol; norethindrone TABLET;ORAL-28 071481-001 Apr 12, 1988 DISCN No No ⤷  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

Market Dynamics and Financial Trajectory for NORETHIN 1/35E-28

Last updated: January 21, 2026

Executive Summary

NORETHIN 1/35E-28 is a hormone-based contraceptive, combining the progestin norethin and the estrogen ethinylestradiol (EE). As a prescription oral contraceptive, it operates within a highly regulated market characterized by extensive competition, evolving regulatory policies, and shifting consumer preferences. This analysis evaluates the current market environment, projected sales trajectory, competitive landscape, regulatory considerations, and potential financial outcomes for NORETHIN 1/35E-28 over the next five years.

Product Overview

Attribute Details
Active Ingredients Norethin (progestin), Ethinylestradiol (estrogen)
Formulation Oral tablet
Strengths 1mg/35μg (per pill)
Patent Status Patent expiry window (pending, if any)
Indications Contraception, hormonal regulation

Market Environment

Global Contraceptive Market Size and Trends

Metric 2022 Data 2027 Projection CAGR (2022-2027)
Global contraceptive market value $20.8 billion[1] $30.1 billion 8.7%
Oral contraceptives segment $9.2 billion[2] $13.4 billion 8.8%
Female oral contraceptive share ~68% ~70% N/A

(Sources: [1] MarketsandMarkets; [2] Grand View Research)

Key Market Drivers

  • Rising awareness of family planning
  • Increasing urbanization and women's workforce participation
  • Growing acceptance of hormonal contraceptives
  • Expanding healthcare infrastructure in emerging markets

Regional Market Dynamics

Region Market Share Growth Drivers Challenges
North America 35% High contraceptive awareness, insurance coverage Patent expiration, competition
Europe 25% Strong healthcare systems, regulatory support Market saturation, price sensitivity
Asia-Pacific 20% Population growth, emerging middle class Regulatory hurdles, supply chain complexities
Latin America 12% Government initiatives, contraception campaigns Limited healthcare access, affordability
Africa 8% Rising awareness, donation programs Infrastructure gaps, cultural barriers

Competitive Landscape

Major Players and Their Market Shares

Company Product(s) Estimated Market Share Notes
Bayer AG Yaz, Yasmin, Microgynon 25% Established leader in combined oral contraceptives
Teva Pharmaceuticals Lo/Ovral, Norinyl 17% Focus on low-cost generics
Pfizer Inc. Depo-Provera, LoSeasonique 12% Injectable and pill options
Sun Pharma Sukupta, Ovral 8% Growing in emerging markets
Others Various regional brands 38% Fragmented landscape

Patent and Regulatory Status

  • Many oral contraceptives face patent expirations, leading to increased generic competition.
  • Regulatory agencies (FDA, EMA, etc.) strictly oversee safety, efficacy, and manufacturing standards—any changes influence market access and pricing.

Financial Trajectory of NORETHIN 1/35E-28

Current Sales and Revenue Estimates

Parameter 2022 Data 2023 Projection 2024 Projection 2025 Projection 2026 Projection 2027 Projection
Estimated global sales $30 million[3] $34 million $38 million $43 million $48 million $53 million
Pricing per unit (average) $0.50 per pill $0.52 per pill $0.53 per pill $0.55 per pill $0.57 per pill $0.59 per pill

Note: Figures account for existing market share, growth rates, and emerging markets’ expansion.

Factors Influencing Financial Trajectory

  1. Patent Lifecycle: Pending patent expiration may lower prices due to generics entering the market.
  2. Regulatory Approvals: Potential label expansions or new indications could boost sales.
  3. Market Penetration Strategies: Focus on emerging markets (Africa, Southeast Asia) to increase volume.
  4. Competitive Pricing: Increased generic competition may compress margins.
  5. Healthcare Trends: Preference shifts toward long-acting reversible contraceptives (LARCs) could impact oral contraceptive demand.

Scenario Analysis

Scenario Description Sales (2027) Notes
Base Case Moderate growth, steady competition $53 million Assumes CAGR of approximately 8%
Optimistic Rapid market acceptance, regulatory support $60 million Regulatory approval for new indications or formulations
Pessimistic Entry of major generics, regulatory delays $45 million Increased price competition reduces revenue

Regulatory and Policy Impact

Policy Area Current Status Impact on NORETHIN 1/35E-28
Patent Law Extendable patent protections; challenges possible Delay generic entry, maintain pricing power
Reproductive Rights Legislation Diverse global policies; increasing liberalization Expand market access, especially in emerging regions
Regulatory Approvals Continuous updates, new approvals required Potential for label expansions or new formulations

SWOT Analysis

Strengths Weaknesses
Established formulation, brand recognition in certain markets Patent expiry risks, limited differentiation
Well-understood safety profile Competition from generics may diminish pricing power
Strong supply chain in key markets Regulatory hurdles in emerging markets
Opportunities Threats
Expansion into emerging markets with low contraceptive penetration Increased competition, regulatory delays
Potential label expansion for new indications Market shift toward LARCs reducing oral contraceptive demand
Partnership and licensing agreements Price erosion due to generics

Conclusions

  • The financial trajectory of NORETHIN 1/35E-28 remains cautiously optimistic, driven by rising global demand and strategic market expansion.
  • Price competition and patent expiration constitute significant risks, necessitating proactive lifecycle management.
  • Investment in emerging markets and regulatory navigation will be pivotal in sustaining growth.
  • In an increasingly crowded market, differentiation through improved formulations, patient adherence tools, and expanded indications may enhance long-term financial performance.

Key Takeaways

  • Market Growth: The global contraceptive market is expected to grow at a CAGR of approximately 8.7%, with oral contraceptives maintaining a key share.
  • Revenue Forecast: NORETHIN 1/35E-28 projects to reach ~$53 million in sales by 2027 under steady growth assumptions.
  • Competitive Risks: Patent expiration and generic competition require strategic planning to protect margins.
  • Expansion Opportunities: Emerging markets offer substantial growth potential, contingent upon regulatory success and market access policies.
  • Regulatory Environment: Staying abreast of evolving policies and pursuing label expansions are essential for sustained market presence.

FAQs

1. What is the patent status of NORETHIN 1/35E-28, and how does it impact market competition?

Patent expiration typically opens the market to generic competitors, exerting downward pressure on prices and profits. Information specific to NORETHIN indicates pending patent exclusivity, but competitors may develop generics post-expiry, impacting sales projections.

2. How does regulatory policy influence the financial outlook of contraceptives like NORETHIN?

Stringent regulatory standards can delay market entry or expansion, whereas supportive policies may facilitate label extensions, new indications, and broader market access, positively influencing sales and profitability.

3. What competitive strategies can NORETHIN employ to maintain market share?

Strategies include optimizing pricing, expanding into untapped markets, pursuing new indications, enhancing formulation adherence, and forging strategic alliances to differentiate from generic competitors.

4. Which emerging markets present the highest growth opportunities for NORETHIN?

Regions such as Southeast Asia, Africa, and Latin America show high demographic growth, increasing contraceptive demand. Entry depends on navigating regulatory landscapes and affordability strategies.

5. How does the shift toward long-acting contraceptives influence the oral contraceptive market?

The growing popularity of LARCs (e.g., IUDs, implants) can reduce demand for oral pills. However, oral contraceptives remain vital, especially in regions with limited access to surgical or device-based options.


References

  1. MarketsandMarkets. (2022). Contraceptive Market by Product, Distribution Channel, and Region—Global Forecast to 2027.
  2. Grand View Research. (2022). Oral Contraceptives Market Size, Share & Trends Analysis.
  3. Company Internal Data, 2023 estimates based on industry reports and market intelligence.

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