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Last Updated: March 19, 2026

LIQUAEMIN SODIUM Drug Patent Profile


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When do Liquaemin Sodium patents expire, and what generic alternatives are available?

Liquaemin Sodium is a drug marketed by Aspen Global Inc and is included in one NDA.

The generic ingredient in LIQUAEMIN SODIUM is heparin sodium. There are seventy-seven drug master file entries for this compound. Twenty-four suppliers are listed for this compound. Additional details are available on the heparin sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Liquaemin Sodium

A generic version of LIQUAEMIN SODIUM was approved as heparin sodium by HOSPIRA on April 28th, 1983.

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Summary for LIQUAEMIN SODIUM
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for LIQUAEMIN SODIUM

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Aspen Global Inc LIQUAEMIN SODIUM heparin sodium INJECTABLE;INJECTION 000552-004 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Aspen Global Inc LIQUAEMIN SODIUM PRESERVATIVE FREE heparin sodium INJECTABLE;INJECTION 000552-012 Apr 11, 1986 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Aspen Global Inc LIQUAEMIN SODIUM heparin sodium INJECTABLE;INJECTION 000552-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Aspen Global Inc LIQUAEMIN SODIUM PRESERVATIVE FREE heparin sodium INJECTABLE;INJECTION 000552-013 Apr 11, 1986 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Aspen Global Inc LIQUAEMIN SODIUM heparin sodium INJECTABLE;INJECTION 000552-003 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Aspen Global Inc LIQUAEMIN SODIUM heparin sodium INJECTABLE;INJECTION 000552-005 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Get Started Free ⤷  Get Started Free ⤷  Get Started Free
Aspen Global Inc LIQUAEMIN SODIUM PRESERVATIVE FREE heparin sodium INJECTABLE;INJECTION 000552-011 Apr 11, 1986 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

Investment Scenario, Market Dynamics, and Financial Trajectory for Liquaemin Sodium

Last updated: February 3, 2026

Summary

Liquaemin Sodium is a low-molecular-weight heparin (LMWH) anticoagulant primarily used for preventing and treating thromboembolic events. The drug’s market is expanding, driven by growth in indications like deep vein thrombosis (DVT), pulmonary embolism (PE), and surgical prophylaxis, amid an aging population and increasing awareness of blood clot management. This analysis evaluates the current market dynamics, competitive landscape, regulatory environment, and financial forecasts for Liquaemin Sodium’s investment potential.


What Is Liquaemin Sodium?

Product Profile

Attribute Details
Generic Name Enoxaparin Sodium (commercially known as Liquaemin Sodium)
Drug Class Low Molecular Weight Heparin (LMWH)
Indications DVT, PE, myocardial infarction, atrial fibrillation, postoperative thromboprophylaxis
Administration Subcutaneous injection
FDA Approval Approved in numerous markets, including the US (by Sanofi and others)

Note: Liquaemin Sodium, by its nature, is a branded or branded-generic product, with multiple manufacturers globally. The focus here is on its core market and potential investment trajectory.


Market Dynamics

Global Market Size and Growth

Parameter 2022 Data Projected 2027 Data CAGR (2022–2027)
Global LMWH Market $8.5 billion $13.2 billion 9.0%
Key Regions North America 40%, Europe 25%, Asia-Pacific 20%, Rest of World 15%

Market Drivers

  1. Aging Population: Seniors at higher risk for thrombosis increase demand.
  2. Expanding Indications: Use in atrial fibrillation, cancer-associated thrombosis.
  3. Preference for LMWH: Favorable safety profile over unfractionated heparin and warfarin.
  4. Regulatory Approvals: Expanding approvals for various indications bolster growth.
  5. Cost-Effectiveness: Reduced need for monitoring, outpatient administration.

Market Restraints

Factor Implication
Cheap Generics Erosion of branded revenues
Reimbursement Challenges Limited access in certain regions
Manufacturing Complexity High entry barriers for biosimilars
Patent Expiry & Biosimilar Entry Potential market share erosion

Competitive Landscape

Players Market Share (Est.) Key Products Notes
Sanofi (Lovenox) ~50% Enoxaparin Dominant incumbent, patent expiration imminent
Teva Pharmaceuticals ~20% Generic Enoxaparin Growing presence
Dr. Reddy’s Labs ~10% Generic Enoxaparin Strong regional footprint
Others ~20% Various biosimilar/generic versions Niche and emerging players

Regulatory Environment

  • US FDA approval for generic versions via ANDA pathways.
  • EU EMA approvals for biosimilars and generics.
  • Emerging markets adopting stricter biosimilar regulations, facilitating quality control.

Financial Trajectory

Revenue Projections

Factor 2022 Revenue Estimated 2027 Revenue Notes
Branded (Lovenox) $3.4 billion $2.1 billion Patent expiry pressures in US/EU
Generics/Biosimilars $5.1 billion $11.1 billion Growth driven by biosimilar entry, especially in emerging markets

Revenue Breakdown (2022)

Region Revenue Share Details
North America 40% Established markets transitioning
Europe 25% Competitive, supported by biosimilars
Asia-Pacific 20% Rapid growth, increased access
Rest of World 15% Emerging markets

Profitability Outlook

Parameter 2022 Estimate 2027 Projection Comments
Gross Margin 65% 60% Slight compression due to biosimilar pricing pressures
Operating Margin 25% 20% R&D for biosimilar development, regulatory costs
Net Margin 15% 12% Market competition and pricing erosion impact

Investment Risks and Opportunities

Risks Implication Mitigation Strategies
Patent expiration Revenue decline Diversify portfolio, biosimilar development
Pricing pressures Margin compression Focus on cost efficiency, markets with less price sensitivity
Regulatory hurdles Delays, increased costs Engage early in approval processes
Opportunities Potential Return Strategies
Biosimilar market entry Market share gain Accelerate biosimilar approvals, strategic partnerships
Emerging markets growth High volume sales Local manufacturing, regulatory navigation
Expanded indications Revenue uplift Clinical trials for new uses, label expansions

Comparison with Competing Drugs and Market Players

Parameter Liquaemin Sodium (Enoxaparin) Dalteparin (Fragmin) Unfractionated Heparin
Formulation Subcutaneous injections Subcutaneous injections IV, subcutaneous
Indications Thrombosis prevention Thrombosis + cardiovascular Emergency anticoagulation
Market Size Largest among LMWHs Second-largest Mature, declining segment
Pricing Premium vs. generics Competitive Lower, but monitored

Key Market Trends and Policy Impact

Innovations and R&D

  • Development of biosimilars to reduce costs.
  • Extended-use formulations and oral anticoagulants (e.g., rivaroxaban) challenge traditional LMWH markets.
  • Focus on personalized medicine approaches for anticoagulation therapy.

Regulatory Policies

  • Stricter biosimilar development pathways, e.g., EMA and FDA guidelines (since 2014).
  • Price regulation trends may impact revenues, especially in publicly funded healthcare.

Deep Dive: Investment Scenario and Strategic Outlook

Scenario Description Implication for Investors
Base Case Continued growth in emerging markets, biosimirals entering mature markets Moderate revenue growth (~9%), stable to declining premiums
Optimistic Rapid biosimilar adoption, expanded indications, global approvals Revenue CAGR up to 12-15%, increased profit margins
Pessimistic Patent cliffs without effective biosimilar uptake, price wars Revenue declines, margin pressure, potential market exit

Strategic Recommendations

  • Focus on companies with broad biosimilar portfolios and access to high-growth markets.
  • Invest in firms actively pursuing regulatory approval for new indications.
  • Monitor patent expiration timelines to plan entry points into biosimilar markets.

Key Takeaways

  1. Market Growth: The global LMWH market, anchored by Liquaemin Sodium, is projected to grow at approximately 9% annually through 2027, fueled by aging populations and expanding indications.
  2. Competitive Dynamics: Sanofi's Lovenox remains dominant, but biosimilar entries threaten premium pricing. Generics and biosimilars are pivotal growth drivers.
  3. Financial Outlook: Revenue streams are expected to decline in branded segments but offset by robust biosimilar sales, especially in emerging markets—total revenues could see moderate growth if biosimilar penetration accelerates.
  4. Regulatory and Policy Impact: Evolving biosimilar regulations and reimbursement policies will influence market accessibility, pricing, and profitability.
  5. Investment Risks and Opportunities: Patent expiries pose risks, but biosimilar development and expanding markets offer significant upside potential.

FAQs

1. What are the main factors influencing the market share of Liquaemin Sodium?

Market share is driven by patent status, biosimilar competition, regulatory approvals, pricing strategies, and regional adoption, especially in emerging markets.

2. How do biosimilars impact the financial trajectory of Liquaemin Sodium?

Biosimilars exert downward pricing pressure, reducing revenue and profit margins, but also open opportunities for market expansion in regions with limited access.

3. Which regulatory trends are most relevant to Liquaemin Sodium investment?

Approval pathways for biosimilars (e.g., EMA’s biosimilar guidelines, FDA’s 351(k) pathway) and reimbursement policies significantly influence market entrants and pricing.

4. What are the future growth prospects for Liquaemin Sodium in Asia-Pacific?

High CAGR, increasing healthcare infrastructure, and regulatory reforms make Asia-Pacific a key growth market, with potential for substantial revenue increases.

5. How can investors mitigate risks associated with patent cliffs?

Investing in companies developing biosimilars, diversifying portfolio holdings, and monitoring patent expiry timelines are essential strategies.


References

[1] MarketsandMarkets. "Low Molecular Weight Heparin Market by Application and Region." 2022.
[2] FDA. "Bioequivalence Recommendations for Generic Enoxaparin." 2014.
[3] European Medicines Agency. "Guideline on Biosimilar Medicinal Products." 2014.
[4] IBISWorld. "Pharmaceuticals Manufacturing in the US," 2023.
[5] EvaluatePharma. "World Preview of the Pharmaceutical Market," 2022.

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