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END NOTES:

1. “New” in the percent change column indicates that the company was not on the Top 300
list in 2012.


2. The number of patents granted does not necessarily indicate the value of a company’s
technology, the effectiveness of its R&D, or whether it will be profitable. The number of patents
per company varies widely from industry to industry and from company to company within an
industry.

3. This report was compiled by IPO from data provided by the U.S. Patent and Trademark
Office. Patents reported are utility patents granted during calendar year 2013 that listed the
organization or a subsidiary as the owner on the printed patent document. If an assignment of
rights to an organization or its subsidiary was recorded after the patent document was printed, the
patent was not counted. Patents in the name of a majority-owned subsidiary are included with
patents of the parent organization if the organization asked IPO to include subsidiaries. Patents
in the names of more than 5,000 subsidiaries are included in the 2013 list. Patents that were
granted to two or more organizations jointly are attributed to the organization listed first on the
patent document.

4. The number of utility patents granted by the USPTO increased to 277,835 in 2013 from
253,155 in 2012, and the average number of patents per organization listed increased.


5. IPO has published this report annually since 1984 as a service to its members. For annual
lists, go to www.ipo.org/top300.

6. Next year IPO will list patents under the name of the parent organization that are granted
to majority-owned subsidiaries if the organization provides the names of its majority-owned
subsidiaries to IPO by March 1, 2015.
























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