UNITED STATES DEPARTMENT OF COMMERCE
U.S. PATENT AND TRADEMARK OFFICE
ELECTRONIC INFORMATION PRODUCTS DIVISION
MDW 4C18; P.O. Box 1450
Alexandria, VA 22313-1450
Vox:     571-272-5600
Fax:     571-273-0110
e-mail:  oeip@uspto.gov


May 25, 2005


Subject:  Compressed Drill-Down Reports



The compressed ".zip" files in this FTP directory, 

ftp://ftp.uspto.gov/pub/taf/misc/drill_dn/YYYY, where YYYY is the most recent year reported,

contain drill down report sets in archive compressed
files. Each full set of reports is contained in 
a single compressed ".zip" file as described, below.
The files contained in a single compressed ".zip" file 
can be copied to an empty directory on a PC. The files
then can be accessed by using a web browser to open the file
named either "regions.htm" or "classes.htm" within the 
directory.


A free program for extracting the report files from the 
archive compressed ".zip" files is available by following
the links at the following USPTO Internet page:
http://www.uspto.gov/web/menu/plugins/zip.htm


( the "YY" in the "zip" file name corresponds to the last two digits of the most recent calendar
  year for which data are included in the report tables contained within the file)



asgstc_YY.zip or asgstcYY.zip :
  Patenting By Geographic Region (State and Country), Breakout By Organization -
  Count of Utility Patent Grants, By Calendar Year of Grant, for the most recent 5 years
  up until the year 20YY.

clsstc_YY.zip or clsstcYY.zip :
  Patenting By Geographic Region (State and Country), Breakout By Technology Class -
  Count of Utility Patent Grants, By Calendar Year of Grant, for the most recent 5 years
  up until the year 20YY.

tecasg_YY.zip :
  Patenting In Technology Classes,Breakout By Organization - 
  Count of Utility Patent Grants, By Calendar Year of Grant, for the most recent 5 years
  up until the year 20YY, with Patent Counts Based on Primary Patent Classification.

tecstc_YY.zip :
  Patenting In Technology Classes, Breakout By Geographic Origin (State and Country) -
  Count of Utility Patent Grants, By Calendar Year of Grant, for the most recent 5 years
  up until the year 20YY with Patent Counts Based on Primary Patent Classification.


asgstca_YY.zip :
  Patenting By Geographic Region (State and Country), Breakout By Organization, 
  Extended Year Report, Utility Patent Grants, By Calendar Year of Grant

clsstca_YY.zip :
  Patenting By Geographic Region (State and Country), Breakout By Technology Class,
  Extended Year Report, Utility Patent Grants, By Calendar Year of Grant

tecasga_YY.zip :
  Patenting In Technology Classes,Breakout By Organization,
  Extended Year Report, Utility Patent Grants, By Calendar Year of Grant
  With Patent Counts Based on Primary Patent Classification

tecstca_YY.zip :
  Patenting In Technology Classes, Breakout By Geographic Origin (State and Country),
  Extended Year Report, Utility Patent Grants, By Calendar Year of Grant
  With Patent Counts Based on Primary Patent Classification



For further information regarding the contents of these
compressed files, please contact:

U.S. PATENT AND TRADEMARK OFFICE
ELECTRONIC INFORMATION PRODUCTS DIVISION
  Patent Technology Monitoring Branch
MDW 4C18; P.O. Box 1450
Alexandria, VA 22313-1450
Vox:     571-272-5600
Fax:     571-273-0110
e-mail:  oeip@uspto.gov