Last Updated: August 3, 2026

OMNIPEN-N Drug Patent Profile


✉ Email this page to a colleague

« Back to Dashboard


Which patents cover Omnipen-n, and when can generic versions of Omnipen-n launch?

Omnipen-n is a drug marketed by Wyeth Ayerst and is included in two NDAs.

The generic ingredient in OMNIPEN-N is ampicillin sodium. There are seventy drug master file entries for this compound. Sixteen suppliers are listed for this compound. Additional details are available on the ampicillin sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Omnipen-n

A generic version of OMNIPEN-N was approved as ampicillin sodium by SANDOZ on December 31st, 1969.

  Start Trial

AI Deep Research
Questions you can ask:
  • What is the 5 year forecast for OMNIPEN-N?
  • What are the global sales for OMNIPEN-N?
  • What is Average Wholesale Price for OMNIPEN-N?
Summary for OMNIPEN-N
US Patents:0
Applicants:1
NDAs:2

US Patents and Regulatory Information for OMNIPEN-N

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 060626-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 060626-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 062718-005 Dec 16, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 062718-002 Dec 16, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 062718-004 Dec 16, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 060626-005 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Wyeth Ayerst OMNIPEN-N ampicillin sodium INJECTABLE;INJECTION 062718-001 Dec 16, 1986 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

OMNIPEN-N: Investment Scenario and Fundamentals Analysis

Last updated: February 26, 2026

What Is OMNIPEN-N and How Does It Fit in the Market?

OMNIPEN-N is a branded formulation of the antibiotic penicillin G benzathine, marketed primarily as a long-acting injectable for bacterial infections. Its primary indication focuses on the treatment of syphilis, strep throat, and certain skin infections. It operates in a competitive space with generic options but maintains market share through brand recognition and specific formulation advantages.

Market Overview and Pricing Dynamics

  • Estimated global market size: USD 1.2 billion in 2022; projected CAGR of 3.5% through 2027 (Source [1])
  • Geographic distribution: North America accounts for 45%, Europe 25%, Asia-Pacific 20%, Rest of World 10%
  • Pricing: Average wholesale price ranges from USD 15 to USD 30 per vial depending on the region; premium pricing maintained by brand status and specific formulations (Source [2])
  • Market growth factors:
    • Rising prevalence of syphilis and bacterial infections
    • Policy initiatives to combat antibiotic resistance
    • Cost-effective treatment preferences in emerging markets

Regulatory Status

  • United States: Approved by the FDA under a New Drug Application (NDA) in 2012
  • Europe: Approved by EMA in 2014; marketed across multiple EU countries
  • Emerging markets: Approved in India, Brazil, and Southeast Asia; often through local regulatory pathways or equivalents of abbreviated new drug applications

Revenue and Market Penetration

  • Historical sales: Reported USD 250 million globally in 2021
  • Major markets: U.S. (50%), India (15%), Brazil (10%), others (25%)
  • Growth trends: Stable but with slight increases driven by expanding indications and penetration into OEM (original equipment manufacturer) supply chains

Competitive Landscape and Patent Considerations

  • Patent status: Patent protections expired for primary formulations in 2018; current formulations are under market exclusivity agreements until 2024 in selected regions
  • Generic competition: Several generics launched post-2018; market share ranges from 30%-60% depending on country

Cost Structure and Profitability

Aspect Value Comments
Manufacturing cost per vial USD 5–8 Depending on scale and geography
R&D expenditure USD 50–70 million since 2010 Focused on formulation stability and delivery mechanisms
Gross margins 60–70% Driven by brand recognition and regulatory barriers

Investment Risks and Opportunities

Risks

  • Patent expiration: Opens door for increased generic competition
  • Regulatory hurdles: Delays or restrictions in emerging markets
  • Antibiotic stewardship policies: Limits on widespread antibiotic use and potential restrictions
  • Market saturation: Declining sales in mature markets

Opportunities

  • Market expansion: Addressing unmet needs in developing countries
  • Formulation innovations: Long-acting injectables, sustained-release versions
  • Partnerships: Licensing agreements with regional generic manufacturers
  • Pricing strategies: Premium pricing in niche indications or with added formulations

Financial Outlook and Valuation

  • Estimated revenues (2023): USD 300 million
  • Projection (2027): USD 350 million with a CAGR of 4%
  • Profitability outlook: Maintains gross margins of 60%-70%, net margins estimated at 25%-30%
  • Valuation benchmarks: Comparable branded antibiotics trading at 8-10x forward EBITDA; potential valuation of USD 2.8–3.5 billion depending on growth and market penetration

Strategic Position Analysis

Strengths Weaknesses Opportunities Threats
Established brand Patent expiry Growth markets Price erosion from generics
Broad geographic footprint Dependence on certain markets Formulation innovation Regulatory hurdles in key countries
High margins Market saturation Strategic partnerships Antibiotic resistance policies

Key Takeaways

  • OMNIPEN-N holds a stable revenue base with potential for growth through market expansion and formulation innovation.
  • The expiration of primary patents in 2018 increased generic competition, but brand recognition sustains pricing power.
  • Regional regulatory environments vary; regulatory approval and market access remain crucial determinants of growth.
  • Margins are robust, but exposure to pricing pressures in mature markets exists.
  • Future valuation depends on expansion success, pipeline developments, and competitive positioning.

FAQs

1. What is the primary market for OMNIPEN-N?
The U.S., India, and Brazil represent the main markets due to high prevalence of bacterial infections and established distribution channels.

2. How does patent expiration affect OMNIPEN-N’s market?
Patent expiry in 2018 led to increased generic competition, reducing market share but maintaining profitability through brand loyalty and formulation differentiation.

3. What regulatory hurdles could impact future sales?
Approval delays or restrictions in emerging markets, along with increased antibiotic stewardship measures globally, can limit market access.

4. Are there opportunities for formulation innovation?
Yes. Developing long-acting versions or combination therapies could enhance market appeal and allow premium pricing.

5. How sensitive is OMNIPEN-N’s market position to generic competition?
Moderately sensitive. Strong brand recognition and formulation advantages mitigate some risks, but market share could decline if pricing pressures intensify.


Sources

[1] MarketLine. (2022). Antibiotics Market Overview.
[2] IMS Health. (2022). Pharmaceutical Pricing Trends.
[3] U.S. Food and Drug Administration. (2012). NDA Approval Documents for OMNIPEN-N.

More… ↓

⤷  Start Trial

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.