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Table 7 Patents on medical cannabis most cited by patent examiners

From: Trends in intellectual property rights protection for medical cannabis and related products

Title and patent or patent application no. Main topic Assignee Priority date Citations
US6403126
Cannabinoid extraction method (US6403126B1 - Cannabinoid extraction method - Google Patents n.d.)
Extraction WEBSAR INNOVATIONS 2001 160
US20020111377
Transdermal delivery of cannabinoids (US20020111377A1 - Transdermal delivery of cannabinoids - Google Patents n.d.)
Delivery mode KENTUCKY ECONOMIC DEV FINANCE AUTHORITY 2001 91
US20110052694A1
Use of cannabidiol prodrugs in topical and transdermal administration with microneedles (US20110052694A1 - Use of cannabidiol prodrugs in topical and transdermal administration with microneedles - Google Patents n.d.)
Delivery mode ZYNERBA PHARM 2010 90
WO2009007697A1
New pharmaceutical formulation comprising cannabidiol and tetrahydrocannabidivarin (WO2009007697A1 - New pharmaceutical formulation comprising cannabidiol and tetrahydrocannabidivarin - Google Patents n.d.)
Formulation GW Pharma 2008 70
US20040049059A1
Method for producing an extract from cannabis plant matter, containing a tetrahydrocannabinol and a cannabidiol and cannabis extracts (US20040049059A1 - Method for producing an extract from cannabis plant matter, containing a tetrahydrocannabinol and a cannabidiol and cannabis extracts - Google Patents n.d.)
Extraction BIONORICA ETHICS GmbH 2004 73
US6113940
Cannabinoid patch and method for cannabis transdermal delivery (US6113940A - Cannabinoid patch and method for cannabis transdermal delivery - Google Patents n.d.)
Delivery mode PATCHTEK INC 1997 68
US6949582
Method of relieving analgesia and reducing inflammation using a cannabinoid delivery topical liniment (US6949582B1 - Method of relieving analgesia and reducing inflamation using a cannabinoid delivery topical liniment - Google Patents n.d.)
Delivery mode and treatment WALTER H WALLACE 2005 72
US20060039959
Film-shaped mucoadhesive administration forms for administering cannabis agents (US20060039959A1 - Film-shaped mucoadhesive administration forms for administering cannabis agents - Google Patents n.d.)
Delivery mode LTS LOHMANN THERAPIE-SYSTEME AG 1991 64
US5227537
Method for the production of 6,12-dihydro-6-hydroxy-cannabidiol and the use thereof for the production of trans-delta-9-tetrahydrocannabinol (US5227537A - Method for the production of 6,12-dihydro-6-hydroxy-cannabidiol and the use thereof for the production of trans-delta-9-tetrahydrocannabinol - Google Patents n.d.)
Production of synthetic cannabinoid HEINRICH MACK NACHF. 1993 61
WO2017026897A1
Extraction device and an extraction method for extraction of cannabis (WO2017026897A1 - Extraction device and an extraction method for extraction of cannabis - Google Patents n.d.)
Extraction BRUINING, WERNARD ERNEST 2015 4