International Patent Classification (IPC) - Documentation, DTD and Schemas

Master files Documentation

IPC Master files specification  (Version 3.1)
Specification of the Scheme file in MS Word format (Version 3.1)
Specification of the Illustrations file in MS Word format (Version 3.1)
Specification of the Definitions file in MS Word format (Version 3.1.1)
Specification of RCL file in MS Word format (Version 3.1)
Specification of Catchword file in MS Word format (Version 3.1)
Specification of Fixed Texts file in MS Word format (Version 3.1)

IPC Master files By-products and Other documentation

Specification of Compilation file in MS Word format (Version 3.1)
Specification of the Validity file in MS Word format (Version 2.2)
Specification of the IPC Valid Symbol List in MS Word format (Version 2.0)
Specification of CPC XML Scheme File in IPC-like XML format (Version 3.1)
Specification of FI XML Scheme File in IPC-like XML format (Version 3.1)

XML schema definitions (XSD) and document type definitions (DTD)

common elements XML schema definition (Version 3-1)
scheme XML schema definition (Version 3-1)
elayer illustrations XML schema definition (Version 3-1)
elayer definitions XML schema definition (Version 3-1)
concordance list XML schema definition (Version 3-1)
catchword index XML schema definition  (Version 3-1)
fixed texts XML schema definition (Version 3-1)
compilation file XML schema definition (Version 3-1)
validity file document type definition (Version 1-01)
valid symbol list XML schema definition (Version 2-0)