Last Updated: June 13, 2026

PROSTAPHLIN Drug Patent Profile


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Which patents cover Prostaphlin, and what generic alternatives are available?

Prostaphlin is a drug marketed by Apothecon and is included in two NDAs.

The generic ingredient in PROSTAPHLIN is oxacillin sodium. There are thirty-eight drug master file entries for this compound. Six suppliers are listed for this compound. Additional details are available on the oxacillin sodium profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Prostaphlin

A generic version of PROSTAPHLIN was approved as oxacillin sodium by SAGENT PHARMS on March 30th, 2012.

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Questions you can ask:
  • What is the 5 year forecast for PROSTAPHLIN?
  • What are the global sales for PROSTAPHLIN?
  • What is Average Wholesale Price for PROSTAPHLIN?
Summary for PROSTAPHLIN
US Patents:0
Applicants:1
NDAs:2
Raw Ingredient (Bulk) Api Vendors: 1
Patent Applications: 1
DailyMed Link:PROSTAPHLIN at DailyMed

US Patents and Regulatory Information for PROSTAPHLIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Apothecon PROSTAPHLIN oxacillin sodium CAPSULE;ORAL 050118-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Apothecon PROSTAPHLIN oxacillin sodium FOR SOLUTION;ORAL 050194-001 Approved Prior to Jan 1, 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

Market Dynamics and Financial Trajectory for PROSTAPHLIN

Last updated: April 26, 2026

PROSTAPHLIN is a branded pharmaceutical product whose market performance and financial trajectory are not determinable from the information provided. A complete, accurate market-dynamics and financial-trajectory assessment requires the drug’s jurisdiction-specific identity (active ingredient, dosage form, strength), authorization status (approval dates and marketing authorization holder), and sales/forecast data sources. Those inputs are not present, so no business-usable market or financial conclusions can be produced.

What market is PROSTAPHLIN actually in?

A market-dynamics profile for a pharmaceutical brand must anchor to specific facts: active ingredient, route of administration, strength, dosage form, and authorized indications, plus the geographies where it is marketed. Without that mapping, PROSTAPHLIN cannot be linked to:

  • tender/price lists,
  • reimbursement or formulary status,
  • competitor set (same active ingredient, same mechanism, same line of therapy),
  • interchangeability/biosimilarity or generic erosion,
  • or tracked sales channels.

What financial trajectory can be quantified for PROSTAPHLIN?

A financial-trajectory assessment typically depends on at least one of the following: audited annual sales, quarterly gross-to-net trajectory, regional breakdown, shipment-to-sales conversion, pricing history, or external estimates (e.g., IQVIA, EvaluatePharma, or company reporting). None of those data are available in the input, and there is no way to compute:

  • unit and revenue growth rates,
  • gross-to-net compression,
  • launch ramp pattern,
  • post-competition price pressure,
  • or near-term revenue outlook.

What drives adoption for PROSTAPHLIN in practice?

Adoption drivers are brand- and indication-specific and usually include:

  • prescribing rules (specialty clinic vs hospital vs outpatient),
  • payer controls (prior authorization, step therapy, quantity limits),
  • administration constraints (clinic capacity, infusion vs self-administration),
  • clinical guideline placement and evidence strength,
  • and channel dynamics (wholesaler distribution vs direct procurement).

Without the product’s active ingredient and indication, there is no basis to attribute adoption drivers or model scenario sensitivity.

How should PROSTAPHLIN’s competitive pressure be modeled?

A defensible competitive model requires:

  • competitor list by active ingredient and mechanism,
  • time-to-market for each competitor and the year they gained formulary access,
  • relative pricing and any tender advantages,
  • and therapeutic alternatives within the same treatment line.

No such competitor mapping is possible from the provided material.

What “market dynamics” metrics are missing to forecast PROSTAPHLIN?

For financial trajectory, market-dynamics metrics usually include:

  • diagnosis incidence and treated patient counts (by geography),
  • penetration rate and switching rate (if applicable),
  • formulary share and payer tier placement,
  • net price and effective price per patient,
  • and discontinuation or persistence if chronic.

None of these are supplied, and they cannot be derived without identifying the drug.

Key Takeaways

  • PROSTAPHLIN’s market dynamics and financial trajectory cannot be quantified from the information provided.
  • No actionable market sizing, competitive analysis, pricing behavior, or revenue path can be produced without product identity (active ingredient, form, strength), authorized indications, and sales data sources.
  • A business-grade assessment requires jurisdiction-anchored product mapping and primary or reputable syndicated financial and market datasets.

FAQs

1) What is PROSTAPHLIN’s active ingredient and indication?

Not specified in the provided information.

2) Is PROSTAPHLIN approved in specific countries or regions?

Not specified in the provided information.

3) What are PROSTAPHLIN’s reported sales figures?

Not specified in the provided information.

4) Who are PROSTAPHLIN’s main competitors?

Not specified in the provided information.

5) What determines PROSTAPHLIN’s pricing and reimbursement?

Not specified in the provided information.

References

[1]

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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.