Stem is a Millbrae, California, startup that sells and leases its battery energy storage system, which is marketed as a way to reduce consumers’ energy bills. Specifically, the company makes a lithium-ion battery connected to analytics software that determines the best times to draw energy from the battery, thereby reducing electricity demand (more…)
A recent article written by Jonathan M.W.W. Chu and published in the Washington and Lee Journal of Energy, Climate, and the Environment takes another look at the role of intellectual property in green technology innovation.
A number of green patent complaints have been filed in the last several weeks in the areas of biofuels production, recycled food service products, LEDs, reusable diapers, water conservation, and gas conversion technology.
I will catch up on the new green patent lawsuits filed in the last few months with a two-part green patent complaint update. The first part covers May through mid-June, which saw several new green patent complaints in the areas of biofuels, fuel recycling, smart grid, and LEDs, and other energy efficient lighting. (more…)
Picking up where we left off, I now have a preliminary draft of the Patent PR study (available here) and a better sense of how the subject matter of clean tech press releases fits into the full universe of patent PR.
The relative proportion of subject matter categories for the full data set, i.e., for press releases (more…)
LED lighting remains the hottest area of green patent litigation, with several complaints filed in the last several weeks. Green patent complaints were recently filed in the areas of advanced batteries and solar powered lighting as well. (more…)
The Heslin Rothenberg firm’s Clean Energy Patent Growth Index (CEPGI) 2012 Year in Review was published earlier this month. Always an interesting read, the CEPGI is a quarterly publication that tracks grants of U.S. patents directed to clean energy technologies.