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Last Updated: March 19, 2026

PHENAPHEN W/ CODEINE NO. 3 Drug Patent Profile


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Which patents cover Phenaphen W/ Codeine No. 3, and what generic alternatives are available?

Phenaphen W/ Codeine No. 3 is a drug marketed by Robins Ah and is included in one NDA.

The generic ingredient in PHENAPHEN W/ CODEINE NO. 3 is acetaminophen; codeine phosphate. There are sixty-six drug master file entries for this compound. Twenty-four suppliers are listed for this compound. Additional details are available on the acetaminophen; codeine phosphate profile page.

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Questions you can ask:
  • What is the 5 year forecast for PHENAPHEN W/ CODEINE NO. 3?
  • What are the global sales for PHENAPHEN W/ CODEINE NO. 3?
  • What is Average Wholesale Price for PHENAPHEN W/ CODEINE NO. 3?
Summary for PHENAPHEN W/ CODEINE NO. 3
US Patents:0
Applicants:1
NDAs:1

US Patents and Regulatory Information for PHENAPHEN W/ CODEINE NO. 3

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Robins Ah PHENAPHEN W/ CODEINE NO. 3 acetaminophen; codeine phosphate CAPSULE;ORAL 084445-001 Approved Prior to Jan 1, 1982 DISCN Yes 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

PHENAPHEN W/ CODEINE NO. 3 Market Analysis and Financial Projection

Last updated: February 4, 2026

What are the investment considerations for PHENAPHEN W/ CODEINE NO. 3?

PHENAPHEN W/ CODEINE NO. 3 is a combination analgesic formulated with acetaminophen and codeine phosphate, typically indicated for moderate to severe pain. It falls under Schedule III controlled substances in the U.S. due to its potential for abuse and dependence. Global markets have experienced fluctuating demand influenced by regulatory restrictions, manufacturing trends, and opioid consumption policies.

Key considerations include:

  • Regulatory restrictions on opioid-containing medications.
  • Market demand driven by pain management protocols.
  • Patent and exclusivity status, which may impact competitors.
  • Manufacturing costs and supply chain stability.
  • Reimbursement landscape in key markets.

How does the regulatory environment impact its investment outlook?

Regulatory frameworks significantly influence availability and profitability. In the U.S., Schedule III classification imposes strict prescribing and dispensing controls. Recent legislative actions aim at reducing opioid misuse, leading to tighter restrictions, potential reformulation requirements, and increased compliance costs.

International variations exist:

  • Canada classifies codeine as a controlled substance, affecting OTC availability.
  • Many European countries restrict prescription access, limiting market penetration.
  • Countries like Australia maintain control measures similar to the U.S.

Changes in regulations can result in:

  • Reduced demand if restrictions tighten.
  • Increased compliance costs.
  • Potential for reformulation to minimize abuse.

What are the market dynamics for codeine combination drugs?

Global analgesic markets are competitive and affected by alternative therapies:

  • Non-opioid analgesics (NSAIDs, acetaminophen alone).
  • Newer opioid formulations with abuse-deterrent properties.
  • Non-pharmacologic pain management strategies.

Demand for PHENAPHEN W/ CODEINE NO. 3 hinges on:

  • The prevalence of moderate to severe pain conditions.
  • Prescriber preferences and patient acceptance.
  • The impact of regulatory restrictions on prescribing behaviors.

In markets like the U.S., prescriptions for opioid combination drugs declined by approximately 40% between 2016 and 2020, reflecting a shift toward abuse-deterrent formulations and tighter prescribing guidelines [1].

How do patent protections and exclusivity status influence investor decisions?

The original patent for PHENAPHEN W/ CODEINE NO. 3 has long expired, but formulation patents or child-resistant packaging may provide temporary exclusivity.

Generic competition is intense:

  • Several manufacturers produce generic versions.
  • Price erosion affects profit margins.
  • Innovative formulations with abuse-deterrent properties command higher prices but face regulatory hurdles.

Market exclusivity periods are limited, and patent litigation may arise, affecting revenue streams.

What are the manufacturing and supply chain factors?

Manufacturing costs are influenced by:

  • Raw material prices (acetaminophen, codeine).
  • Regulatory compliance costs.
  • Capacity constraints.

Supply chain disruptions, such as those experienced during the COVID-19 pandemic, have led to shortages that impact market availability and pricing.

What is the reimbursement landscape?

Reimbursement depends on:

  • National healthcare policies.
  • Insurance coverage.
  • Formularies favoring non-opioid alternatives due to abuse concerns.

In the U.S., coverage for codeine-containing products has declined, replaced by non-opioid options, affecting sales volume.

Are there emerging trends or developments?

Research initiatives aim to develop abuse-deterrent formulations and non-opioid alternatives with comparable efficacy. Regulatory agencies are increasingly favoring formulations aligned with abuse mitigation strategies.

Market shifts favor drugs with reduced regulatory burdens and lower abuse potential, which could erode the market for traditional PHENAPHEN W/ CODEINE NO. 3.

What are the key risks and opportunities?

Risks:

  • Stricter opioid regulations and potential scheduling changes.
  • Market decline due to safety concerns and alternative therapies.
  • Patent expiration leading to generic competition.
  • Manufacturing and supply chain disruptions.

Opportunities:

  • Reformulation with abuse-deterrent technology.
  • Expanding markets in regions with less restrictive policies.
  • Development of combination drugs with improved safety profiles.

Key Takeaways

  • The drug faces declining demand in mature markets like the U.S.
  • Regulatory restrictions and societal trends diminish sales prospects.
  • Generic competition suppresses pricing power.
  • Patent protections are limited, increasing vulnerability to price erosion.
  • Alternative therapies and abuse-deterrent formulations pose long-term threats.

5 FAQs

1. How does regulatory scrutiny affect the profitability of PHENAPHEN W/ CODEINE NO. 3?
Tighter regulations on opioids restrict prescribing and dispensing, reducing sales volumes and increasing compliance costs, negatively impacting profitability.

2. Can reformulation improve its market position?
Yes, abuse-deterrent formulations can command premium prices and align with regulatory trends, potentially reviving market interest.

3. What external factors could further depress its market?
Legislative actions banning or restricting codeine, rising use of non-opioid pain management options, and societal efforts to curb opioid misuse.

4. How does patent expiration influence the competitive landscape?
Patent expiration enables generic manufacturers to enter the market, leading to price competition and profit margin erosion.

5. Are international markets more favorable?
Some regions have less restrictive regulations, providing opportunities; however, overall demand is limited by local policies and healthcare practices.


References

[1] Centers for Disease Control and Prevention (CDC). "America’s Prescription Drug Trends," 2022.

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