As noted in a previous post, solar patent litigation has begun to move upstream to encompass photovoltaic manufacturing equipment.

Some recent public statements by PV production equipment maker Silicon Genesis (SiGen) about startup equipment vendor Twin Creeks Technologies (more…)

DeWind Co. (DeWind) is a vertically integrated global wind company headquartered in Germany.

One part of DeWind’s business is wind farm development, and in 2009 the company entered into an agreement with Glenmore Wind Farm, Urban Power, and Prelude by which it agreed to pay (more…)

Summer is just around the corner, and for those who live in big cities, that means spring warmth will soon give way to searing heat. Green roofs can help regulate city temperatures, giving people, and the electrical grid, a much needed break.

On April 30th, Toronto will become the first city in (more…)

Previous posts (here and here) discussed the U.S. International Trade Commission case between solar installation competitors Westinghouse Solar (formerly Akeena Solar) and Zep Solar (Zep) involving two Westinghouse patents, U.S. Patents Nos. 7,406,800 (‘800 Patent) and 7,987,641 (‘641 Patent).

Both patents cover what Westinghouse refers to as (more…)

In a previous post, I discussed a Texas federal court decision denying Mitsubishi’s motion for summary judgment in which it argued it did not infringe U.S. Patent No. 7,629,705 (’705 Patent) and that the ’705 Patent is invalid.

The ’705 Patent is entitled “Method and apparatus (more…)

Royal Dutch Shell, the fifth-largest company in the world, is suing the Sierra Club along with a dozen other environmental organizations on the off chance that we might attempt to do our job. Shell is taking us to court preemptively because we might have the audacity to say that drilling in the Arctic is risky and unsafe. Even though we haven’t seen the full plans yet and haven’t (more…)

With the U.S. Patent and Trademark Office Green Technology Pilot Program closed, it’s time to think outside the box (and outside the country)

The U.S. Patent and Trademark Office (USPTO) Green Technology Pilot Program is now history.

As of February 27, 2012 petition number 3,500 had (more…)

While we are seeing many exciting new developments every day in green technologies, one of the interesting features of the current cleantech boom is its reliance on mature technologies such as solar PV and wind, which went through prior periods of innovation in the 1970s and ’80s.

Thus, many of the green technologies in use today are (more…)

SunEarth (owned and operated by the Solaray Corporation since 1992) has been marketing and selling solar thermal collectors and related components under the SUNEARTH brand since 1978.

In 2009, SunEarth filed an application with the U.S. Patent and Trademark Office (USPTO) seeking federal trademark protection for the SUNEARTH word mark. (more…)

A previous post discussed one of GE’s more recent wind patent infringement suits against Mitsubishi.

Filed in the Northern District of Texas in Dallas, the complaint (gecomplaint.pdf) alleges that Mitsubishi’s 2.4 megawatt wind turbine infringes U.S. Patent Nos. 6,879,055 (’055 Patent) and 7,629,705 (’705 Patent). (more…)