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GW Pharmaceuticals Announces U.S. Patent Allowance for SATIVEX® Formulation Spray Device


4/22/2013 9:34:46 AM

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Porton Down, UK; 22 April 2013: GW Pharmaceuticals plc (AIM: GWP), a biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics from its proprietary cannabinoid product platform, today announced that the United States Patent and Trademark Office (USPTO) has issued a Notice of Allowance for U.S. Application Serial Number 13/606,742, a patent application directed to the spray device of its Sativex® product formulation. A Notice of Allowance is issued after the USPTO makes a determination that a patent can be granted from an application.

The patent claims a metered valve pump spray device consisting of a liquid cannabis extract, in propylene glycol and ethanol, which is adapted to spray a dose towards a patient’s sublingual mucosa. The issued patent from this application is expected to expire in March 2021.

“This Notice of Allowance directed to the Sativex delivery device comes soon after the 13/607,897 Notice of Allowance directed to a method of sublingual delivery of the Sativex pharmaceutical formulation. Not only does GW have claims directed to the method of sublingual delivery of the Sativex formulation, but it also has claims directed to the device within which it is contained,” stated Justin Gover, GW’s Chief Executive Officer. “In total, we now have seven different patent families containing one or more pending or issued patents relating to Sativex.”

GW’s intellectual property portfolio includes multiple patent families with issued or pending claims directed to plants, plant extracts, extraction technology, pharmaceutical formulations, drug delivery and the therapeutic uses of cannabinoids, as well as plant variety rights, know-how and trade secrets.

GW’s granted patents and pending applications (if they were to issue) in the US relating to Sativex would expire on various dates between 2021 and 2026, excluding possible patent term extensions.

In the US, Sativex is currently in Phase 3 clinical development as a potential treatment of pain in people with advanced cancer. This Phase 3 program is intended to support the submission of a New Drug Application for Sativex in cancer pain with the U.S. Food and Drug Administration and elsewhere.

Enquiries:

GW Pharmaceuticals plc

Justin Gover, CEO +44 1980 557000

Stephen Schultz, VP Investor Relations + 1 401 500 6570

FTI Consulting (Media enquiries) +44 20 7831 3113

Ben Atwell / Simon Conway / John Dineen

Trout Group, LLC (US investor relations) + 1 646 378 2900

Jonathan Fassberg / Seth Lewis / Danielle Spangler

Peel Hunt LLP +44 207 418 8900

James Steel / Vijay Barathan

About GW Pharmaceuticals plc

Founded in 1998, GW is a biopharmaceutical company focused on discovering, developing and commercializing novel therapeutics from its proprietary cannabinoid product platform in a broad range of disease areas. GW commercialized the world’s first plant-derived cannabinoid prescription drug, Sativex®, which is approved for the treatment of spasticity due to multiple sclerosis in 20 countries. Sativex is also in Phase 3 clinical development as a potential treatment of pain in people with advanced cancer. This Phase 3 program is intended to support the submission of a New Drug Application for Sativex in cancer pain with the U.S. Food and Drug Administration and in other markets around the world. GW has established a world leading position in the development of plant-derived cannabinoid therapeutics and has a deep pipeline of additional cannabinoid product candidates, including two distinct compounds, GWP42004 and GWP42003, in Phase 2 clinical development for Type 2 diabetes and ulcerative colitis, respectively, and at least two additional programs expected to enter Phase 1 and Phase 2 clinical trials in the next 12 months. For further information, please visit www.gwpharm.com

Forward-looking statements

This news release may contain forward-looking statements that reflect GWs current expectations regarding future events, including development and regulatory clearance of the GW’s products. Forward-looking statements involve risks and uncertainties. Actual events could differ materially from those projected herein and depend on a number of factors, including (inter alia), the success of the GW’s research strategies, the applicability of the discoveries made therein, the successful and timely completion of uncertainties related to the regulatory process, and the acceptance of Sativex® and other products by consumer and medical professionals. A further list and description of risks, uncertainties and other risks associated with an investment in GW can be found in GW’s filings with the U.S. Securities and Exchange Commission, including its most recent Form F-1. Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. GW undertakes no obligation to update or revise the information contained in this press release, whether as a result of new information, future events or circumstances or otherwise.



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