Representative before the EPO

Employment test 51 - 200 employees
Company dna appleyard lees ltd
operating since 1852
Headquarter in Halifax and 15 offices
active in Legal Services, IP Consulting, Matchmaking and Trading, and IP-related Communication Service

We have observed 18 EP applications David Patrick Walsh has served for within the last five+ years. (We consider all applications which have an EP A1 or A2 publication dated after April 21, 2013). Please note, that we only count EP applications, in which the name of the patent attorney is explicitly mentioned as representative. These EP applications are:

EP11729662

A NITRIDED MIXED OXIDE CATALYST SYSTEM AND A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS

IPC classification:
B01J 21/02, B01J 21/06, B01J 23/02, B01J 23/08, B01J 23/12, B01J 23/14, B01J 23/18, B01J 23/20, B01J 27/14, B01J 27/24, B01J 37/03, C01B 21/082, C07C 51/353, C07C 57/04, C07C 67/343, C07C 69/54
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP11729661

A MIXED OXIDE CATALYST AND A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS

IPC classification:
B01J 23/08, B01J 23/10, B01J 23/18, B01J 23/20, B01J 37/03, C07C 51/353, C07C 57/04, C07C 67/343, C07C 69/54
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP11782662

A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS AND A CATALYST THEREFOR

IPC classification:
B01J 27/18, B01J 29/82, B01J 29/83, B01J 29/84, B01J 29/85, C07C 51/377
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION REQUESTED
EP12706094

A PROCESS FOR THE PRODUCTION OF (METH)ACRYLIC ACID AND DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C07C 51/48, C07C 57/04, C08F 20/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP12785681

DINUCLEAR INDIUM CATALYSTS AND THEIR USE FOR (CO)POLYMERIZATION OF CYCLIC ESTERS

IPC classification:
C08G 63/84
Applicant:
University of British Columbia - Industry Liaison Office (UILO)
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP11800010

SPRING-LOADED COMPRESSION ELECTRICAL CONNECTOR

IPC classification:
H01R 4/18, H01R 4/28, H01R 4/38, H01R 4/48, H01R 13/187, H01R 101/00
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP13178408

A hardenable two part acrylic composition

IPC classification:
C08F 265/04, C08F 265/06, C08L 33/00, C08L 51/00, A61L 24/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP12840105

ARRAYS AND METHODS OF MANUFACTURE

IPC classification:
B32B 3/00
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP12809846

A CONTINUOUS PROCESS FOR THE CARBONYLATION OF ETHYLENE

IPC classification:
C07C 67/38, C07C 67/48, C07C 67/62, C07C 69/24
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP13700591

A PROCESS FOR THE PRODUCTION OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS OR ESTERS AND A CATALYST THEREFOR

IPC classification:
C07C 51/353, C07C 67/343
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP13710582

DEHYDRATION OF WATER CONTAINING SOURCE OF FORMALDEHYDE, AND A METHOD FOR PRODUCING AN ETHYLENICALLY UNSATURATED CARBOXYLIC ESTER

IPC classification:
B01D 61/36, B01D 71/02, C07C 45/78, C07C 47/04, C07C 69/54
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP13761099

SALEN INDIUM CATALYSTS AND METHODS OF MANUFACTURE AND USE THEREOF

IPC classification:
C07C 251/24, C08G 63/84
Applicant:
The University of British Columbia
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13721987

HARDENABLE TWO PART ACRYLIC COMPOSITION

IPC classification:
B05C 17/00, C04B 28/02, C08L 33/12, A61M 5/178
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP13719170

A PROCESS FOR THE PRODUCTION OF METHACRYLIC ACID AND ITS DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C07C 57/04, C08F 20/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13719169

A PROCESS FOR THE PRODUCTION OF METHACRYLIC ACID AND ITS DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C08F 20/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
APPLICATION DEEMED TO BE WITHDRAWN
EP13774227

A PROCESS FOR PRODUCTION OF A SILICA-SUPPORTED ALKALI METAL CATALYST

IPC classification:
B01J 23/04, B01J 38/48, C07C 51/00
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
EXAMINATION IN PROGRESS
EP14703164

HOT MELT ADHESIVE

IPC classification:
C08F 120/04, C08F 220/18, C08G 18/10, C08G 18/30, C09J 175/14
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
GRANT OF PATENT INTENDED
EP11791623

A PROCESS FOR THE PRODUCTION OF METHACRYLIC ACID AND ITS DERIVATIVES AND POLYMERS PRODUCED THEREFROM

IPC classification:
C07C 51/38, C07C 57/04, C07C 67/03, C08F 20/06, C08F 20/10, C08F 20/14, C08L 33/06
Applicant:
Lucite International UK Ltd
Agent:
David Patrick Walsh, Appleyard Lees Ltd
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

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