Trademarks & Copyrights

Revised list accurate to June 2019

Work with the Estate to Maximise your Potential

We manage the literary, merchandising, and advertising rights in Sir Arthur Conan Doyle’s works and all characters, including Sherlock Holmes, Dr. Watson, and Professor Challenger. The Conan Doyle Estate Ltd owns the last remaining protected story and character copyrights in the USA and also own trademark and common law rights in the name and image of Sir Arthur Conan Doyle, Sherlock Holmes, Professor Challenger and other Conan Doyle characters in the USA, European Union, U.K. and many other countries around the world.

Copyrights

The Conan Doyle Estate Ltd owns United States copyrights in all works of Sir Arthur Conan Doyle published in the US after 1923, and in many of his letters. These include his last ten Sherlock Holmes stories and other works listed below, including all plots, settings, characters, and character development created therein: The Conan Doyle Estate Ltd also owns many UK, EU and global trademarks and common law rights relating to Arthur Conan Doyle and many of his beloved characters.

THE CASEBOOK OF SHERLOCK HOLMES (short story collection)

"The Illustrious Client" (1924)

"The Blanched Soldier" (1926)

"The Three Gables" (1926)

"The Sussex Vampire" (1924)

"The Three Garridebs" (1924)

"The Creeping Man" (1923)

"The Lion’s Mane" (1926)

"The Veiled Lodger" (1927)

"Shoscombe Old Place" (1927)

"The Retired Colourman" (1926)

THE LAND OF MIST (novel, 1925)

WHEN THE WORLD SCREAMED (short story, 1927)

THE DISINTEGRATION MACHINE (short story, 1927)

MEMORIES AND ADVENTURES (memoir, 1923, 1930)

Registered Trademarks

ARTHUR CONAN DOYLE (signature), US Registration Nos. 5055732 and 5698882
ARTHUR CONAN DOYLE (device), US Registration No. 5698880
ARTHUR CONAN DOYLE (signature & device), US Registration No. 5626736
ARTHUR CONAN DOYLE (signature), WIPO/China Registration No. 1437051

Registered Trademarks Cont.

ARTHUR CONAN DOYLE (device), WIPO/China Registration No. 1428136
ARTHUR CONAN DOYLE (signature & device), UK Registration No. 00003211024
ARTHUR CONAN DOYLE (word), WIPO Registration No. 146550
CONAN DOYLE ESTATE LTD (word), US Registration No. 4061527
PROFESSOR CHALLENGER (word), US Registration No. 4117117
PROFESSOR CHALLENGER (word), International Registration No. 1244163 in Australia, China, EU, India, Japan, New Zealand, Russia, Singapore, Switzerland and WIPO
SHERLOCK HOLMES (word), US Registration No. 4313984
SHERLOCK HOLMES (word), US Registration No. 4690745
SHERLOCK HOLMES (word), Australia Registration No. 1471464
SHERLOCK HOLMES CONAN DOYLE ESTATE LTD (logo & text), US Registration No. 5396601

USA - Pending

CDEL has six pending registration applications in the US:

ARTHUR CONAN DOYLE (word), US Application Serial No. 79258278
PROFESSOR CHALLENGER (word), US Application Serial No. 87712178
SHERLOCK HOLMES (word), US Application Serial No. 77937845
SHERLOCK HOLMES (word), US Application Serial No. 77937852
SHERLOCK HOLMES (word), US Application Serial No. 77937863
SHERLOCK HOLMES (word), US Application Serial No. 87884204

European Union & UK - Pending

CDEL has five pending registration applications in the EU and UK:

ARTHUR CONAN DOYLE (word), EU Application No. 1465550
ARTHUR CONAN DOYLE (word), UK Application No. 00003386696
BRIGADIER GERARD (word), EU Application No. 018077684
BRIGADIER GERARD (word), UK Application No. 00003404798
SHERLOCK HOLMES CONAN DOYLE ESTATE LTD (logo and text), EU Application No. 012536736

Rest of the World - Pending

ARTHUR CONAN DOYLE (word), Application No. 1465550 in Japan, Mexico, South Korea, Singapore and Switzerland
ARTHUR CONAN DOYLE (word), Applied for in Brazil and China
ARTHUR CONAN DOYLE (word), Application No. 304872637 in Hong Kong
ARTHUR CONAN DOYLE (word), Application No. 108018934 in Taiwan
SHERLOCK HOLMES (word), Application No. 1432267 in WIPO/China

Estate Experts

Tim Hubbard

Tim Hubbard


UK & Europe LicensingContact
Sally Clark

Sally Clark


Brand & PRContact
David Reeder

David Reeder


US LicensingContact
Ben Allison

Benjamin Allison


Head of LegalContact
Jon Lellenberg

Jon Lellenberg


Corporate MemoryContact

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