Clean Energy Patent Growth Index

Michigan - Fueling Clean Energy Patents - Auto Companies Drive Trend

While California led the states in most clean energy patents in 2012, Michigan was not too far behind. According to the Clean Energy Patent Growth Index (CEPGI), California was the leader in clean energy patents per state in 2012 with 346 patents, but in third place was the Great Lakes State with 202 patents. Michigan’s 202 patents were just enough to make it the leader in clean energy patents overall in the US over the last decade. The 202 patents were also 100 more than Texas who came in at fourth place in 2012. Other top Clean Energy patent states:

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CLEAN ENERGY PATENT GROWTH INDEX 2nd Quarter 2013

The CLEAN ENERGY PATENT GROWTH INDEX (CEPGI), published quarterly by the Cleantech Group at Heslin Rothenberg Farley & Mesiti P.C. provides an indication of the trend of innovative activity in the Clean Energy sector from 2002 to the present. Results from the second quarter of 2013 reveal the CEPGI to have a value of 765 granted U.S. patents which is up 27 relative to the first quarter total of 738, but is down 21 relative to the quarter from one year prior. Toyota was granted the highest number of clean energy patents for the second quarter. Solar patents for the first time topped Fuel Cell patents to take the quarterly lead among technology sectors — by 37 patents.