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Serving hundreds of leading biopharmaceutical companies globally:

Julphar
Chubb
QuintilesIMS
Fish and Richardson
Cipla
Mallinckrodt
US Department of Justice
Citi
Merck

Generated: June 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 7,923,564

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Which drugs does patent 7,923,564 protect, and when does it expire?

Patent 7,923,564 protects NUPLAZID and is included in one NDA.

This patent has forty-six patent family members in seventeen countries.
Summary for Patent: 7,923,564
Title:Synthesis of 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)-p- henylmethyl)carbamide. Also disclosed herein is the hemi-tartrate salt of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N'-(4-(2-methylpropyloxy)-p- henylmethyl)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)-p- henylmethyl)carbamide and its hemi-tartrate salt including various polymorphs and solvates.
Inventor(s): Thygesen; Mikkel Boas (Copenhagen East, DK), Schlienger; Nathalie (Frederiksberg, DK), Tolf; Bo-Ragnar (Malmo, SE), Andersson; Carl-Magnus A. (Hjarup, SE), Blatter; Fritz (Reinach, CH), Berghausen; Jorg (Lorrach, DE)
Assignee: ACADIA Pharmaceuticals, Inc. (San Diego, CA)
Application Number:12/795,547
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 7,923,564

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Acadia Pharms Inc NUPLAZID pimavanserin tartrate TABLET;ORAL 207318-001 Apr 29, 2016 RX Yes Yes ➤ Sign Up ➤ Sign Up Y Y ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Non-Orange Book US Patents Family Members for Patent 7,923,564

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
8,236,960 Synthesis of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N'-(4-(2-methylpropyloxy) phenylmethyl)carbamide and its tartrate salt and crystalline forms ➤ Sign Up
7,732,615 N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N'-(4-(2-methylpropyloxy)phe- nylmethyl)carbamide and its tartrate salt and crystalline forms ➤ Sign Up
7,868,176 Salts of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-y1)-N'-(4-(2-methylprop- yloxy)phenylmethyl)carbamide and their preparation ➤ Sign Up
7,790,899 Synthesis of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N'-(4-(2-methylpropyloxy)ph- enylmethyl)carbamide and its tartrate salt and crystalline forms ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Daiichi Sankyo
Queensland Health
Dow
Harvard Business School
Covington
QuintilesIMS
Chinese Patent Office
AstraZeneca
Deloitte

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