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Landon IP, as part of Questel, is a distinguished provider of intellectual property services, specializing in patent searching, analytics, and IP management solutions. With a legacy dating back to 1949, Landon IP leverages deep industry expertise and advanced technologies to assist corporations, law firms, and innovators in navigating the complexities of the IP lifecycle. Our services empower clients to make informed decisions, protect their valuable assets, and gain a competitive edge in the global market. Landon IP is committed to delivering high-quality, reliable, and timely IP intelligence.
Serves as the main operational center for Landon IP services in North America, focusing on patent searching, client support, and project management. It integrates with Questel's global network.
Modern office facilities within a professional business center, equipped with advanced technology to support IP research and analysis. Designed for collaboration among IP specialists.
A professional and intellectually stimulating environment, emphasizing precision, deep analytical skills, and client-centric service. As part of Questel, the culture also incorporates global collaboration and innovation.
Strategically located in the Washington D.C. metropolitan area, a key region for intellectual property matters in the U.S. It represents Questel's strong presence in the North American IP market through the respected Landon IP brand.
As a part of Questel, Landon IP's services are supported by Questel's extensive global network. This includes offices and expert teams across North America, Europe, Asia, and other key regions. This global footprint enables Landon IP to offer localized expertise and support for international patent searching, prior art searches, patent analytics, IP landscaping, and translation services, catering to a diverse clientele worldwide.
2461 S. Clark Street, Suite 820
Arlington
VA
USA
Address: 1 Rue de Stockholm, 75008 Paris, France (Questel Global HQ)
Central hub for European operations and global strategic initiatives in the IP sector.
Address: Questel K.K., Shinjuku Center Bldg 47F, 1-25-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-0647, Japan
Serves as a crucial base for supporting clients in Japan and the broader APAC region with specialized IP services and local market understanding.
Address: Questel Consulting (Shanghai) Co., Ltd., Room 1105, Ascendas Innovation Place, No.686 Jiu Jiang Road, Huangpu District, Shanghai 200001, China
Supports domestic and international clients with their intellectual property needs within China, including patent searches, translations, and IP strategy.
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As of April 2025, Landon IP' leadership includes:
Landon IP has been backed by several prominent investors over the years, including:
Questel, the parent company of Landon IP, maintains a stable core leadership team to guide its global strategy, including the specialized services offered by Landon IP. While Questel actively pursues growth through acquisitions, which can involve leadership integration from acquired firms, there have been no widely publicized C-suite hires or exits directly within Questel's central executive team in the past 12 months that would significantly alter the day-to-day oversight structure of its divisions like Landon IP. Information on granular team changes below the top C-suite is not typically disclosed publicly.
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As Landon IP is a Questel company, email addresses primarily follow Questel's corporate email format. Common professional email formats include [first_initial][last]@questel.com or [first].[last]@questel.com. For specific Landon IP inquiries, using contact forms on the website or provided direct contact information is recommended.
[first_initial][last]@questel.com (e.g., jdoe@questel.com) or [first].[last]@questel.com (e.g., jane.doe@questel.com). Older @landon-ip.com addresses might exist but are likely phased out or redirect.
Format
jdoe@questel.com
Example
80%
Success rate
Questel Press Release • November 7, 2023
Questel announced its acquisition of Brandstock, a tech-enabled IP services group. This move enhances Questel's offerings in trademark and domain name management, complementing Landon IP's patent-focused services and expanding the group's overall intellectual property service capabilities....more
Questel Press Release • March 23, 2023
Questel has acquired Equinox, a provider of IP management systems. This acquisition strengthens Questel's suite of software solutions for IP professionals, enhancing the ecosystem within which Landon IP's search and analytical services operate....more
Questel Blog • June 1, 2023
Questel, drawing on expertise from its service lines including Landon IP, offers guidance and resources for businesses and innovators adapting to the new Unified Patent Court system in Europe. The company highlights key considerations for patent strategy and enforcement under the UPC framework....more
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