February 2005: Mexican Patents in DWPI

February 2005: Mexican Patent Coverage in Derwent World Patents Index

Mexican patents now have 5 different patent application filing series. The majority are national filings, but there is now a small percentage of regional patent applications filed with four regional offices: Jalisco (JL), Nuevo Leon (NL), Yucatan (YU) and Guanajuato (GT).

The first of these new publications are scheduled to appear in DWPI First View^SM and DWPI in February 2005. Number formats are unchanged for the national filings. Standard Derwent formats have been defined for the regional filings.

Mexican Applications
The Derwent format numbers are created from the published application numbers which include details on which of the patent offices in Mexico issued the document.

Example:	Gazette Entry	PA/a/2000/011402
	DWPI Patent Number	MX2000011402-A1
	DWPI Application Number	2000MX-011402

Example:	Gazette Entry	JL/a/2003/000008
	DWPI Patent Number	MX2003000008-A4
	DWPI Application Number	2003MX-JL0008

Mexican Granted Patents
Mexican grants are published with a unique number. Derwent assigns a Kind code B to this number:

MXnnnnnn-B

nnnnnn = 6 digits

The corresponding application number is formatted as described above.

Example:	Gazette Entry	Patent 220296, application JL/a/2000/000008
	DWPI Patent Number	MX220296-B
	DWPI Application Number	2003MX-JL0008

Overall Summary Table

Scientific thomsonreuters.com

February 2005: Mexican Patents in DWPI