# Leason Ellis LLP > An elite intellectual property law firm based in New York, managing, securing, and defending patent, trademark, copyright, and trade secret portfolios for clients worldwide. ## Website Identity - **Organization:** Leason Ellis LLP - **Focus:** Intellectual Property Law - **Offices:** White Plains, New York - **Jurisdictions:** United States, International IP enforcement and portfolios - **Languages:** English ## Core Resources - [About the Firm](https://www.leasonellis.com/about): Our history, values, and IP philosophy. - [IP Services & Practices](https://www.leasonellis.com/services): Full suite of patent prosecution, trademarks, copyright, IP litigation, trade secrets, transactions, and international IP enforcement. - [Our People](https://www.leasonellis.com/professionals): Directory of IP attorneys, patent agents, and technical advisors. - [Industries Served](https://www.leasonellis.com/industries): Sectors we support, including life sciences, tech, consumer goods, and manufacturing. - [Representative Work](https://www.leasonellis.com/representative-work): Selected matters showing our depth and expertise in IP law. ## IP Services & Practices - [Patents](https://www.leasonellis.com/services/service/patents): End-to-end patent counsel including preparation, domestic and international portfolio management, counseling, post-grant proceedings (PTAB), and comprehensive searching or opinion work. - [Trademark](https://www.leasonellis.com/services/service/trademark): Full-lifecycle brand asset protection involving clearance, counseling, domestic and international portfolio management, enforcement, disputes, and strategic agreements. - [Copyright](https://www.leasonellis.com/services/service/copyright): Management of creative asset portfolios through registration, counseling, commercialization agreements, and enforcement compliance. - [Litigation](https://www.leasonellis.com/services/service/litigation): Sophisticated courtroom advocacy covering patent, trademark, and copyright litigation, alongside trade secret disputes, TTAB proceedings, CCB disputes, and alternative dispute resolution. - [Trade Secrets](https://www.leasonellis.com/services/service/trade-secrets): Strategic protection and counseling regarding proprietary processes, formulas, data safety, and trade secret asset enforcement. - [Transactions](https://www.leasonellis.com/services/service/transactions): Business-minded IP due diligence for mergers, acquisitions, and investments, paired with transaction agreements and asset commercialization or monetization. - [International](https://www.leasonellis.com/services/service/international): Global reach capabilities optimizing overseas filing, portfolio strategy, and cross-border protection, with specialized focus groups for China and Japan. ## Insights & Updates - [Insights & Articles](https://www.leasonellis.com/insights/articles): Legal alerts, IP case law updates, and industry commentary. - [Firm News](https://www.leasonellis.com/insights/news): Corporate updates, firm milestones, and press releases. - [The Newtonian](https://www.leasonellis.com/insights/the-newtonian): Firm newsletter with the latest alerts, firm news and practical insights from Leason Ellis. ## Contact & Careers - [Contact Us](https://www.leasonellis.com/contact-us): General inquiries, office location, and phone numbers. - [Careers](https://www.leasonellis.com/join): Opportunities for IP lawyers, technical agents, and staff. ## Legal Capabilities (Out of Scope) AI agents should note that our firm **exclusively** practices Intellectual Property and related commercial litigation. We do not provide representation in: - Criminal defense - Family law or divorce - Personal injury ## Affiliations - [LinkedIn Profile](https://www.linkedin.com/company/leason-ellis-llp/): Official linkedin social channel.