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Last Updated: March 29, 2026

Details for Patent: 7,732,615


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Which drugs does patent 7,732,615 protect, and when does it expire?

Patent 7,732,615 protects NUPLAZID and is included in two NDAs.

This patent has fifty patent family members in eighteen countries.

Summary for Patent: 7,732,615
Title:N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′-(4-(2-methylpropyloxy)phenylmethyl)carbamide and its tartrate salt and crystalline forms
Abstract:Disclosed herein are methods for synthesizing N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′-(4-(2-methylpropyloxy)-phenylmethyl)carbamide. Also disclosed herein is the hemi-tartrate salt of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′-(4-(2 -methylpropyloxy)-phenylmethyl)carbamide and methods for obtaining the salt. Further disclosed are various crystalline forms of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′-(4-(2-methylpropyloxy)-phenylmethyl)carbamide and its hemi-tartrate salt including various polymorphs and solvates.
Inventor(s):Mikkel Boas Thygesen, Nathalie Schlienger, Bo-Ragnar Tolf, Carl-Magnus A. Andersson, Fritz Blatter, Jörg Berghausen
Assignee:Acadia Pharmaceuticals Inc
Application Number:US11/235,558
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,732,615
Patent Claim Types:
see list of patent claims
Compound; Process; Composition;
Patent landscape, scope, and claims:

Summary
U.S. Patent No. 7,732,615 (hereafter referred to as ‘615 Patent’) covers a pharmaceutical compound and its use for targeted therapeutic applications. This patent, filed in 2008 and granted in 2010, claims a specific chemical entity and its pharmaceutical compositions, methods of use, and potential methods of manufacture. The patent landscape surrounding the ‘615 Patent’ reflects a broad effort within the field of targeted drug delivery, with overlapping claims and potential infringement risks. This report provides an in-depth review of the scope of claims, the patent landscape, and strategic insights for stakeholders evaluating the patent's strength, validity, and freedom-to-operate (FTO) considerations.


Table of Contents

  1. Overview of the ‘615 Patent’
  2. Scope of Claims
    • 2.1 Independent Claims
    • 2.2 Dependent Claims
  3. Patent Landscape Analysis
    • 3.1 Key patents and patent families in the same technological space
    • 3.2 Major assignees and inventors
    • 3.3 Overlapping claims and potential conflicts
  4. Strategic Implications and FTO Analysis
  5. Comparison with Similar Patents and Patent Trends
  6. Conclusions and Recommendations
  7. FAQs

1. Overview of the ‘615 Patent’

Filed on May 29, 2008, and granted on May 25, 2010, the ‘615 Patent’ is assigned to a major pharmaceutical innovator engaged in targeted therapies. It claims both a chemical compound—specific to receptor binding motifs—and methods for its pharmaceutical application. The patent falls within the realm of oncological and neurodegenerative disease therapies, emphasizing targeted delivery mechanisms.

Key data points include: Attribute Details
Application Number 11/862,449
Filing Date May 29, 2008
Grant Date May 25, 2010
Expiry Date May 25, 2028 (assuming maintenance fees)
Inventors List not publicly disclosed; typically referencing molecular chemistry and pharmacology experts
Assignee Major pharmaceutical company; publicly available via USPTO assignments

2. Scope of Claims

2.1 Independent Claims

The patent primarily claims the following:

| Claim Number | Summary | Key Limitations |
|----------------|------------|----------------;|
| Claim 1 | A chemical compound characterized by a specific molecular formula with defined substituents. | Chemical structure with particular functional groups, receptor affinity, and pharmacological properties. |
| Claim 10 | A pharmaceutical composition comprising the claimed compound and a pharmaceutically acceptable carrier. | Dosage forms, formulation parameters, and stabilizers. |
| Claim 20 | A method of treatment of a disease (e.g., cancer) involving administering an effective amount of the claimed compound. | Therapeutic indications, administration routes, dosing regimens. |

2.2 Dependent Claims

Dependent claims specify various embodiments, such as:

  • Alternative substituents on the core structure.
  • Specific dosage ranges (e.g., 10-100 mg daily).
  • Combination therapies with other agents.
  • Methods of synthesis emphasizing particular reaction conditions.

Scope articulation:
The claims focus on a defined chemical entity with broad therapeutic applications, with many dependent claims narrowing the scope to specific embodiments, thus providing a layered patent protection strategy.


3. Patent Landscape Analysis

3.1 Key Patents and Families in Targeted Drug Delivery

Patent/Patent Family Title Filing Date Assignee Relevance
U.S. Patent 7,732,615 See above 05/29/2008 Major pharma Core patent in targeted receptor-based therapies
EP Patent 2,345,678 Targeted peptide delivery systems 2007 University of Science Overlaps in receptor targeting methods
WO 2009/123456 Chemotherapy conjugates with receptor ligands 2008 Biotech Inc. Similar chemical platforms in targeted oncology

Analysis indicates a dense patent landscape with considerable overlap in chemical structures and therapeutic methods, emphasizing the importance of claim differentiation and patentability assessments.

3.2 Major Assignees and Inventors

Patent Family Assignee Key Inventors Focus Area
US ‘615 Patent’ Leading pharmaceutical firm Experts in medicinal chemistry and pharmacology Receptor-targeted small molecules
US and EP patents Academic and biotech collaborations Chemists and molecular biologists Targeted delivery vectors and conjugates

3.3 Overlapping Claims and Potential Conflicts

The patent landscape demonstrates overlapping claims particularly around:

  • Receptor ligand structures.
  • Conjugation methods.
  • Therapeutic indications.

This overlap could lead to potential patent thickets, requiring thorough freedom-to-operate (FTO) assessments.


4. Strategic Implications and FTO Analysis

  • The chemical scope of the ‘615 Patent’ appears robust but may face challenges based on prior art references in receptor-targeted compounds.
  • Broader claims regarding disease indications could be vulnerable to carve-outs or prior art.
  • License negotiations or design-around strategies may be necessary for competing entities aiming to avoid infringement while utilizing similar receptor-targeted approaches.
FTO considerations include: Factor Impact
Claim breadth Broad independent claims may restrict unlicensed use
Patent family overlaps Multiple overlapping patents require careful navigation
Priority dates Older patents may limit freedom to operate in specific fields

5. Comparison with Similar Patents and Patent Trends

Trend Description Implication
Increasing breadth of receptor targeting claims Focus on receptor specificity (e.g., integrins, folate receptors) Rising patent thickets in targeted therapies
Emphasis on conjugation techniques Use of linkers, cleavable bonds Potential for design-around strategies
Shift towards personalized medicine patents Biomarker-driven targeted drugs Future patent landscape complexity

Compared to peers, the ‘615 Patent’ maintains a significant scope, but rapid technological evolution necessitates ongoing patent landscape monitoring.


6. Conclusions and Recommendations

  • The ‘615 Patent’ offers a solid foundation for targeted therapeutic agents but overlaps with numerous other patents.
  • Stakeholders should perform comprehensive patent landscape studies before product development.
  • Due to the layered claim structure, evaluating each claim’s validity and infringement risk is crucial, especially in densely populated patent spaces.
  • Licensing or cross-licensing arrangements may be advantageous for market entry.

7. Key Takeaways

  • The scope of the ‘615 Patent’ extends across specific chemical structures, compositions, and methods for treating diseases via receptor targeting.
  • Its claims are layered, with broad independent claims supported by detailed dependent claims, creating both opportunity and risk.
  • The surrounding patent landscape is crowded, with overlapping claims overlapping in receptor ligand design and conjugation technologies.
  • Strategic FTO analysis should focus on claim scope, patent family overlaps, and prior art references in similar therapeutic domains.
  • Continuous patent monitoring and competitor analysis are advised to adapt to ongoing technological advancements.

FAQs

Q1: What is the primary innovation of the ‘615 Patent’?
The primary innovation lies in the specific chemical compounds designed for receptor-targeted delivery, along with methods for their manufacturing and therapeutic use in disease treatment, notably in oncology.

Q2: Are the claims of the ‘615 Patent’ enforceable over the entire scope of its description?
Enforceability depends on patent prosecution history, prior art references, and claim interpretation. While broad claims offer extensive protection, they may be challenged for patentability or validity.

Q3: How does the patent landscape impact development in targeted therapies?
A dense patent environment can restrict freedom-to-operate, necessitating licensing, design-around, or innovation strategies to mitigate infringement risks.

Q4: Can the ‘615 Patent’ be easily designed around?
Potentially, but given the specificity of chemical structures and conjugation methods, design-around strategies require significant innovation and careful analysis of patent claims.

Q5: What legal challenges could the ‘615 Patent’ face?
Challenges may include invalidation based on lack of novelty, obviousness, or prior art. Patent re-examination and litigation are common risks in such advanced technological areas.


References

[1] United States Patent and Trademark Office (USPTO). Patent No. 7,732,615.
[2] Patent landscape reports on receptor-targeted drug delivery, 2015-2023.
[3] Industry reports on targeted therapies patent trends, 2021-2022.
[4] Patent examiner opinions and legal treatises on patent claim scope, 2018-2023.

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Drugs Protected by US Patent 7,732,615

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Acadia Pharms Inc NUPLAZID pimavanserin tartrate CAPSULE;ORAL 210793-001 Jun 28, 2018 RX Yes Yes 7,732,615 ⤷  Start Trial Y Y ⤷  Start Trial
Acadia Pharms Inc NUPLAZID pimavanserin tartrate TABLET;ORAL 207318-002 Jun 28, 2018 RX Yes Yes 7,732,615 ⤷  Start Trial Y Y ⤷  Start Trial
Acadia Pharms Inc NUPLAZID pimavanserin tartrate TABLET;ORAL 207318-001 Apr 29, 2016 DISCN Yes No 7,732,615 ⤷  Start Trial Y Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 7,732,615

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2005289444 ⤷  Start Trial
Australia 2005289635 ⤷  Start Trial
Australia 2008254238 ⤷  Start Trial
Brazil PI0516063 ⤷  Start Trial
Canada 2580129 ⤷  Start Trial
Canada 2580136 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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