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Last Updated: March 26, 2026

LIQUAEMIN SODIUM Drug Patent Profile


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Which patents cover Liquaemin Sodium, 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
DailyMed Link:LIQUAEMIN SODIUM at DailyMed
Drug patent expirations by year for LIQUAEMIN SODIUM

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 ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Aspen Global Inc LIQUAEMIN SODIUM PRESERVATIVE FREE heparin sodium INJECTABLE;INJECTION 000552-012 Apr 11, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Aspen Global Inc LIQUAEMIN SODIUM heparin sodium INJECTABLE;INJECTION 000552-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Aspen Global Inc LIQUAEMIN SODIUM PRESERVATIVE FREE heparin sodium INJECTABLE;INJECTION 000552-013 Apr 11, 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

Last updated: January 27, 2026

rket Dynamics and Financial Trajectory for LIQUAEMIN SODIUM


Summary

Liquaemin Sodium, a low-molecular-weight heparin (LMWH), is widely used for anticoagulation therapy. Its market is influenced by regulatory approvals, patent statuses, clinical demand, and competition from generics and biosimilars. This report evaluates current market size, growth drivers, competitive landscape, regulatory factors, and future financial trajectories. Key metrics include sales volume, revenue estimates, patent expirations, and emerging alternatives.


1. Overview of Liquaemin Sodium

Attribute Details
Generic Name Enoxaparin Sodium (or similar low-molecular-weight heparins)
Brand Names Liquaemin (Sanofi), Lovenox (approved in some markets), Dalteparin, Tinzaparin
Therapeutic Class Anticoagulant, Antithrombotic
Indications Deep vein thrombosis (DVT), pulmonary embolism (PE), acute coronary syndrome (ACS), perioperative prophylaxis

Note: Liquaemin is primarily marketed under the Sanofi brand in various territories, but it is also used generically.


2. Market Size and Growth Drivers

Aspect Data/Details Source/Period
Global LMWH Market Size (2022) USD 8.9 billion Reported by Research and Markets[1]
Projected CAGR (2023-2028) 6.2% [1]
Key Growth Drivers Increasing incidence of thrombotic disorders, aging populations, expanding indications, outpatient use Market Reports[1][2]
Major Markets U.S., Europe, China, Japan [1], [3]

Regional Breakdown of Revenue (2022):

Region Market Share Comments
North America 45% Mature market, high adoption
Europe 30% Competitive but mature
Asia-Pacific 15% Rising adoption, emerging market
Rest of World 10% Growing demand

3. Competitive Landscape and Market Structure

Player Market Share Key Products Patent Status Notes
Sanofi ~50% Liquaemin, Lovenox Patent expired in many markets Leader in LMWH; wide distribution
Pfizer ~20% Bemfola (biosimilar), others Biosimilar products Growing biosimilar presence
Mylan, Teva Remaining share Generics and biosimilars Patent expiries drive generics Price competitiveness

Patent & Exclusivity Timeline:

Year Patent Expiration Impact on Market
2017 US patent expired Entry of generics
2018-2020 Europe patent expiry Increased competition
Present & Future Biosimilars entering markets Price reduction, volume growth

4. Regulatory Environment and Patent Expiry Effects

Region Regulatory Status Key Regulatory Bodies
US FDA approval for generic/biosimilars 21 CFR Part 600
Europe EMA approvals EMA guidelines on biosimilars
China, Japan CFDA, PMDA approvals Rapid approval pathways

Implications:

  • Patent expirations cause a surge in generic and biosimilar approvals, affecting pricing and margins.
  • Regulatory hurdles remain for biosimilar interchangeability, impacting penetration levels.
  • Ongoing patent litigations may influence market entry timing.

5. Financial Trajectory Analysis

Current Revenue Trends (2020-2022):
| Year | Global Sales (USD Billions) | Notes |
|-------|--------------------|----------------related|
| 2020 | 8.2 | Market resilience during pandemic |
| 2021 | 8.5 | Slight growth |
| 2022 | 8.9 | Expansion driven by emerging markets |

Forecast (2023-2028): Year Projected Revenue (USD Billions) Growth Rate Assumptions
2023 9.4 +5.6% Continued demand + biosimilar entry
2024 9.9 +5.3% Market penetration
2025 10.5 +6.0% Adoption in developing regions
2026 11.2 +6.7% Volume growth
2027 11.9 +6.3% Competitive pricing initiatives
2028 12.6 +5.9% Long-term demand stability

Assumptions include stable regulatory landscape, ongoing indication approval, and biosimilar market growth.


6. Market Challenges and Opportunities

Challenges Opportunities
Patent expirations leading to price erosion Expansion into emerging markets
Regulatory hurdles for biosimilar interchangeability Developing biosimilar portfolios
Manufacturing complexities of LMWHs Innovation in formulation and delivery
Competition from novel anticoagulants (e.g., DOACs) Diversification of indications

Competitive Risks:

  • Emergence of direct oral anticoagulants (DOACs) like rivaroxaban, apixaban, reducing reliance on injectable LMWHs.
  • Pricing pressure from generics, biosimilars, and health policy reforms.

7. Comparative Analysis: Liquaemin vs. Market Alternatives

Aspect Liquaemin (Sanofi) Biosimilars Direct Oral Anticoagulants (DOACs)
Administration Subcutaneous injection Similar Oral, convenient
Cost Higher (original brand) Lower Varies, often comparable
Onset of Action Immediate Similar Rapid
Reversal Agents Protamine sulfate Same Specific reversal agents available
Indications DVT, PE, ACS Same Same + post-orthopedic surgery

Implications:
Market growth for Liquaemin may slow as DOACs replace injectable anticoagulants for many indications. However, for specific patient populations (e.g., cancer-associated thrombosis, renal impairment), LMWHs remain relevant.


8. Strategic Outlook and Investment Outlook

Future Trends Impact Recommendations
Biosimilar proliferation Price pressure, volume increase Invest in biosimilar R&D
Development of new formulations Patient compliance, expanded use Focus on delivery innovations
Market expansion in Asia-Pacific Revenue growth Strengthen distribution channels
Regulatory shifts Market access variability Monitor policy changes

Suggested Strategies:

  • Diversify portfolio with biosimilars and new formulations.
  • Engage early with regulatory agencies on biosimilar approvals.
  • Focus on emerging markets' infrastructure and awareness.

Key Takeaways

  • Market size for Liquaemin Sodium is approximately USD 8.9 billion in 2022, with a projected CAGR of around 6.2% until 2028.
  • Patent expiries have accelerated generic and biosimilar competition, reducing margins but expanding access.
  • Competitive landscape is increasingly crowded by biosimilars, with Sanofi and other pharma majors dominating.
  • Regulatory factors significantly influence market entry, especially for biosimilars, with evolving policies in major regions.
  • Future outlook favors biosimilar innovation, volume growth in emerging markets, and potentially declining reliance on injectable anticoagulants as oral alternatives gain ground.

FAQs

Q1: How will patent expirations impact the profitability of Liquaemin Sodium?
A: Patent expirations typically lead to loss of exclusivity, prompting increased competition from generics and biosimilars, which can erode pricing power and margins. However, volume growth and market expansion can offset some revenue loss.

Q2: Are biosimilars a threat to Liquaemin Sodium?
A: Yes. Biosimilars often penetrate markets post-patent expiry, offering lower-cost alternatives that reduce revenue for original branded products.

Q3: What role do alternative oral anticoagulants play?
A: DOACs like rivaroxaban and apixaban provide oral, convenient options that may replace injectable LMWHs in many indications, impacting demand for Liquaemin.

Q4: Which regions will drive the most growth for Liquaemin?
A: Asia-Pacific and emerging markets are projected to exhibit the highest growth rates driven by increasing healthcare infrastructure and thrombotic disease prevalence.

Q5: How are regulatory changes likely to influence future market dynamics?
A: Evolving policies on biosimilar approval, interchangeability, and pricing will shape market access and competition levels, requiring adaptive strategies from pharmaceutical companies.


References

[1] Research and Markets. "Global Low Molecular Weight Heparins Market," 2022.

[2] MarketWatch. "Anticoagulants and Blood Thinners Market," 2023.

[3] IQVIA. "Global Pharmaceutical Market Trends," 2022.

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