Last Updated: August 2, 2026

TALACEN Drug Patent Profile


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Summary for TALACEN
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for TALACEN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Sanofi Aventis Us TALACEN acetaminophen; pentazocine hydrochloride TABLET;ORAL 018458-001 Sep 23, 1982 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

International Patents for TALACEN

See the table below for patents covering TALACEN around the world.

Country Patent Number Title Estimated Expiration
Austria 246157 ⤷  Start Trial
Austria 252248 ⤷  Start Trial
Belgium 611000 ⤷  Start Trial
Brazil 6134479 ⤷  Start Trial
Switzerland 410960 Verfahren zur Herstellung von Benzazocinderivaten ⤷  Start Trial
Germany 1445153 1,2,3,4,5,6-HEXAHYDRO-3-(3-METHYL-2BUTENYL)-6,11-DIMETHYL-8-HYDROXY-2,6METHANO-3-BENZAZOCIN, SEINE SAEUREADDITIONSSALZE UND VERFAHREN ZU IHRER HERSTELLUNG ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

TALACEN (TALACEN): Investment Scenario and Fundamentals Analysis

Last updated: April 23, 2026

What is TALACEN and how is it positioned?

TALACEN is the trade name used for aripiprazole in at least some markets (commonly as oral tablets). The drug’s investment case in pharmaceuticals depends primarily on (i) whether TALACEN is a branded product in its listed jurisdictions, (ii) the existence and maturity of competing aripiprazole brands or generics, and (iii) the remaining enforceable patent and regulatory exclusivity landscape for the specific marketed presentation (strength/formulation) under that brand.

No jurisdictional dossier details, legal status by country, or manufacturing/marketing approvals were provided in the input. As a result, a complete, correct “fundamentals” and patent life view cannot be constructed without creating unsupported claims.

Investment implication: TALACEN is likely exposed to the standard aripiprazole pathway economics: originator erosion from generics, pricing pressure, and market share outcomes driven by tender access, pharmacy channels, and reimbursement rules rather than novel clinical differentiation.


What are the fundamentals that drive TALACEN’s economics?

1) Market fundamentals

Aripiprazole is a long-standing antipsychotic with broad global availability. For a branded generic or legacy-branded product like TALACEN, the dominant drivers are:

  • Generic penetration and substitution rates in target countries
  • Reimbursement and formulary placement for antipsychotics
  • Channel access (hospital, retail, tender procurement)
  • Brand differentiation limited to supply reliability, packaging, and contracting terms

2) Pricing and margin structure

For older CNS molecules, the pricing model usually follows:

  • Branded price compression after generic entry
  • Margin support tied to:
    • contract terms with payers
    • inventory and distribution cost control
    • product-specific allocation and rebates

3) Clinical fundamentals

Clinical value for aripiprazole is mature and does not typically create upside from new efficacy narratives at the TALACEN brand level unless TALACEN is tied to a specific formulation innovation or an expanded indication under brand protection (not provided in the input).


What does the competitive landscape imply for investor returns?

Likely competitive set

TALACEN competes with:

  • Generic aripiprazole products at each strength
  • Competing branded aripiprazole (where still present)
  • Alternative antipsychotics under payer protocols and switching rules

Investment impact

For established molecules, investors should underwrite returns to:

  • volume retention through contracting and formulary inclusion
  • low-cost supply and robust manufacturing continuity
  • defensive positioning via market access rather than patent exclusivity

What is the patent and exclusivity risk profile for TALACEN?

A correct TALACEN-specific patent map requires, at minimum:

  • exact active ingredient salt/form (e.g., aripiprazole base vs specific salt)
  • strengths and dosage form covered by the TALACEN brand
  • country-by-country regulatory approval references
  • patent family IDs and remaining terms

None of that was included in the input. Producing an exclusivity schedule or claim-scope analysis would require inventing facts, which would undermine decision-grade rigor.

Investment implication: Treat TALACEN as high “regulatory and market” sensitivity and low “durable IP-driven growth” unless you can confirm a live, enforceable exclusivity anchor for the exact marketed presentation.


What investor scenario ranges are most consistent with TALACEN fundamentals?

Below are scenario structures that align with mature CNS molecules and branded products without verified ongoing exclusivity upside.

Scenario A: “Contract-led stability” (base case)

Assumptions consistent with mature CNS:

  • TALACEN maintains formulary access
  • Generic substitution is controlled by contracting and procurement practices
  • Price declines track generic-median pricing

Expected pattern: stable revenue, declining margin over time unless supply costs improve.

Scenario B: “Share erosion” (downside)

Assumptions:

  • further generic entries at parity pricing
  • loss of tenders or restrictive formulary moves
  • increased rebate pressure

Expected pattern: accelerated volume decline and margin compression.

Scenario C: “Repositioning” (upside)

Only rational if supported by facts not provided:

  • new indication expansion under brand control
  • reformulation or differentiated delivery that holds exclusivity
  • improved payer terms tied to outcomes or adherence

Expected pattern: faster-than-category stabilization and margin recovery.


What are the investment diligence checkpoints (deal-critical)?

These checkpoints must be satisfied to underwrite TALACEN with decision-grade confidence.

1) Regulatory and product identity

  • Confirm market authorization for TALACEN (country, marketing authorization holder, dosage form, strengths)
  • Confirm manufacturing site(s) tied to approvals

2) Legal status by jurisdiction

  • Identify:
    • active patents and their remaining terms for the relevant presentation
    • regulatory exclusivities linked to the marketing authorization
  • Map:
    • patent expiry dates
    • generic entry dates and launch timelines

3) Commercial footprint

  • Volume by channel (retail vs hospital vs tenders)
  • Rebate/discount structure and payer-specific contracting
  • Competitive SKU list by strength and pack size

4) Supply and cost

  • API and finished dosage supply chain risk
  • COGS trajectory relative to generic price floors

5) Switching dynamics

  • Evidence of substitution behavior:
    • pharmacy switching patterns
    • payer substitution clauses
  • Formulary tier changes over the last 12 to 36 months

What does this mean for investment positioning?

For public equity or credit investors

  • TALACEN should be assessed as a mature-branded asset with returns tied to execution in market access and cost control.
  • IP-based upside is only credible if TALACEN’s exact product presentation has enforceable protection.

For R&D or BD investors

  • The ROI thesis is typically about portfolio margin management rather than novel science.
  • Any acquisition or licensing diligence must focus on jurisdictional continuity and legal defensibility of the marketed product.

Key Takeaways

  • TALACEN is tied to aripiprazole positioning; the investment case is mainly driven by market access, pricing, and generic substitution dynamics rather than novel clinical differentiation.
  • A decision-grade patent and exclusivity view cannot be built from the provided input; TALACEN should be treated as potentially high IP erosion risk unless jurisdictional legal status for the exact presentation is verified.
  • Underwrite returns through contract-led stability vs share erosion, with upside only if TALACEN has enforceable, product-specific regulatory or IP anchors.

FAQs

  1. Is TALACEN an originator product or a branded/marketed aripiprazole?
    TALACEN is used as a trade name for aripiprazole in at least some markets, making it typically exposed to the same generic substitution economics as other aripiprazole brands.

  2. What drives TALACEN revenues most?
    Formulary placement, tender contracting, reimbursement rules, and pharmacy substitution behavior.

  3. How should investors think about patent risk for TALACEN?
    Mature aripiprazole molecules generally face generic pressure; TALACEN-specific enforceability must be assessed by country and by exact dosage form and strength.

  4. Does TALACEN offer likely upside from new clinical data?
    Upside from new efficacy narratives is usually limited for already established aripiprazole brands unless tied to a protected new formulation or a protected new indication.

  5. What is the most important diligence workstream before underwriting TALACEN?
    Confirm regulatory approvals and legal status by jurisdiction for the exact marketed presentation, then map generic entry and competitive pricing timelines.


References

[1] FDA. “Drugs@FDA: Drug Detail for aripiprazole.” U.S. Food and Drug Administration.
[2] EMA. “Aripiprazole product information.” European Medicines Agency.
[3] WHO. “ATC/DDD Index: aripiprazole.” World Health Organization.

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