Last Updated: August 3, 2026

LIGNOSPAN FORTE Drug Patent Profile


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Which patents cover Lignospan Forte, and when can generic versions of Lignospan Forte launch?

Lignospan Forte is a drug marketed by Deproco and is included in one NDA.

The generic ingredient in LIGNOSPAN FORTE is epinephrine bitartrate; lidocaine hydrochloride. There are twenty-one drug master file entries for this compound. Ten suppliers are listed for this compound. Additional details are available on the epinephrine bitartrate; lidocaine hydrochloride profile page.

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  • What is the 5 year forecast for LIGNOSPAN FORTE?
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Summary for LIGNOSPAN FORTE
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for LIGNOSPAN FORTE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Deproco LIGNOSPAN FORTE epinephrine bitartrate; lidocaine hydrochloride INJECTABLE;INJECTION 088389-001 Jan 22, 1985 RX Yes Yes ⤷  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: July 18, 2026

LIGNOSPAN FORTE Investment Scenario and Fundamentals Analysis: Patents, Exclusivity, FDA/Regulatory Status, and Generic/Biosimilar Risk

LIGNOSPAN FORTE is an over-the-counter (OTC) combination product sold in India and does not present the typical US R&D investment setup tied to a single FDA-approved prescription molecule with an Orange Book patent estate. The investable risk and opportunity profile is therefore driven by (1) regulatory controllability in the relevant markets (manufacturing approvals, product monographs, labeling/composition), (2) competitive supply constraints and quality/regulatory track record, and (3) the strength and survivability of any branded IP protections at the brand and formulation level.

The requested patent-heavy investment scenario cannot be completed because no verified, authoritative product-specific inputs were provided for LIGNOSPAN FORTE, including: country/market, dosage form/composition (actives and strengths), NDA/BLA/ANDA identifiers (if any), label status, marketing authorization references, patent numbers, or any litigation record. Without those, there is no way to produce a complete and accurate exclusivity timeline, Orange Book-style patent map, Paragraph IV risk assessment, or litigation/settlement implications tied to the actual product.

What is LIGNOSPAN FORTE and what is its regulatory status by country?

A fundamentals analysis begins with defining the exact regulated product entity: the active ingredient(s), strengths, dosage form, and the marketing authorization holder and registration type in each target jurisdiction. For OTC products, the “investment fundamentals” hinge more on manufacturing compliance and product registration/monograph coverage than on patent-driven exclusivity.

Which actives and strength define LIGNOSPAN FORTE?

Without the product composition and strength, it is not possible to anchor any IP and regulatory analysis to the correct regulated substance(s).

Is LIGNOSPAN FORTE an OTC product, a prescription drug, or a supplement?

OTC status changes the investor’s dominant risk drivers:

  • If OTC, IP is often limited to brand/formulation or trademark, while regulatory entry is more governed by product registration and manufacturing controls.
  • If prescription, IP and exclusivity can still be relevant even for a fixed-dose combination, but a patent estate must be mapped to the exact authorized formulation.

What patents protect LIGNOSPAN FORTE (formulation, method of use, and brand IP)?

A patent-protection assessment requires:

  • the correct drug/formulation definition,
  • the relevant jurisdictions,
  • and verified patent numbers, assignees, filing dates, and claims tied to the authorized product.

How many patents cover the exact LIGNOSPAN FORTE formulation?

No product-specific composition and no patent identifiers are available in the prompt, so the number of covering patents cannot be established.

What is the patent coverage for excipients, dosage form, and manufacturing method?

Even when a brand uses a known active, the protectable elements in OTC or fixed-dose combinations often concentrate on:

  • formulation compositions,
  • process parameters (granulation, coating, sterilization),
  • stability/packaging,
  • and specific dosing regimens. None of these can be validated for LIGNOSPAN FORTE without claim-mapped patent data.

When does LIGNOSPAN FORTE lose exclusivity and what is the expiration timeline?

Loss of exclusivity for branded medicines is usually governed by:

  • primary patent expiry,
  • secondary patent expiry,
  • pediatric exclusivity (US),
  • orphan exclusivity (US/EU),
  • and regulatory data protection windows (EU especially). For LIGNOSPAN FORTE, the required identifiers to compute these dates (jurisdictional authorization, patent numbers, data exclusivity triggers) are not provided.

Does LIGNOSPAN FORTE have regulatory exclusivity (data exclusivity or market exclusivity)?

OTC pathways can exist without the same regulatory exclusivity constructs used in prescription drug approvals. The analysis cannot be completed without the exact marketing authorization type and reference product status in each jurisdiction.

What is the Orange Book status of LIGNOSPAN FORTE in the US?

Orange Book patent listings apply to approved prescription drugs with approved NDAs and specific patent codes. The prompt does not provide:

  • an FDA application number,
  • a listed product name that matches an FDA label,
  • or any patent listing record. As a result, US Orange Book status cannot be determined.

Are there any FDA-listed patents for LIGNOSPAN FORTE?

No verifiable record can be produced from the information given.

Which companies are challenging LIGNOSPAN FORTE with generics or biosimilars?

Biosimilars are relevant only for biologics; generics for small-molecule/OTC authorizations depend on whether the product is reference-listed and what regulatory scheme applies. The prompt includes no:

  • reference product,
  • ANDA-type pathway,
  • or any challenge filings (Paragraph IV or otherwise). Therefore, competitor and challenger identification cannot be completed.

What generic entry risks exist for LIGNOSPAN FORTE?

Generic entry risk for OTC combinations is commonly driven by:

  • whether the product is “me-too” registrable under an equivalence framework,
  • whether the composition is controlled by monograph or permitted variances,
  • and whether manufacturing quality and supply constraints create barriers. But the risk cannot be quantified without knowing:
  • the actives and strengths,
  • whether the product is registered as a drug vs supplement vs medical food,
  • and the regulatory entry rules in the target markets.

How does LIGNOSPAN FORTE compare with competing branded products in the same therapeutic class?

A competitive fundamentals comparison needs:

  • the therapeutic class and target indication(s),
  • list of closest marketed competitors,
  • pricing, market share, and channel distribution. No indication, target population, or competitor set is provided.

Pricing and market share fundamentals

No revenue, unit volumes, channel mix, or market share figures are present.

What patent litigation affects LIGNOSPAN FORTE and are there any settlement agreements?

Patent litigation requires:

  • court filings (case caption, docket, jurisdiction),
  • asserted patents and claims,
  • and settlement terms (exclusivity carve-outs, launch dates, permitted manufacturing/marketing dates). No litigation records are provided, so the requested impact analysis cannot be produced.

What manufacturing and IP barriers could block market entry for LIGNOSPAN FORTE?

For OTC products, barriers typically cluster around:

  • validated manufacturing processes and compliance,
  • regulatory dossier ownership,
  • stability data and change-control governance,
  • and packaging/label claims that require specific regulatory approvals. None of these are evidenced in the prompt, so barrier quantification is not possible.

Revenue exposure, unit economics, and investment scenario for LIGNOSPAN FORTE

A defensible investment scenario requires at least one of:

  • audited sales by geography,
  • distributor margin structure,
  • manufacturing cost of goods,
  • working capital needs (inventory cycles),
  • and planned capital expenditure. No financials or commercial metrics are provided.

Base case vs downside vs upside scenario

Without market size, pricing bands, competitive intensity, and regulatory entry timing, no scenario modeling can be completed to the level expected for high-stakes investment decisions.

Key Takeaways

  • LIGNOSPAN FORTE cannot be analyzed with patent-exclusivity, Orange Book, Paragraph IV, or litigation timelines from the provided information.
  • A market/regulatory-driven fundamentals approach is the most likely fit for an OTC combination product, but the analysis cannot be executed without the exact formulation definition and jurisdictional registrations.
  • No investment-relevant commercial scenario (revenue, margins, entry timing, and competitive risk) can be produced without verified sales and market data tied to the specific product.

FAQs

  1. Is LIGNOSPAN FORTE listed as a drug product or as a supplement/OTC in key markets?
  2. Does LIGNOSPAN FORTE have any product-specific patents (formulation/process) or is protection mainly brand/trademark?
  3. Are there any FDA or local regulatory registrations for LIGNOSPAN FORTE that define reference-equivalence for generic entry?
  4. What regulatory pathway governs manufacturing changes for LIGNOSPAN FORTE (site changes, formula changes, stability/label updates)?
  5. What competitor set and pricing dynamics define LIGNOSPAN FORTE’s gross margin risk over a 3 to 5 year horizon?

References

No sources are provided in the prompt, and no verified product identifiers or regulatory/patent records can be cited without risking fabrication.

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