We’ve been tracking the major biobutanol patent litigation between advanced biofuels company Gevo and BP-DuPont joint venture Butamax, e.g., here, here and here.

In a significant decision, a Delaware federal court judge recently ruled on several motions and cross- (more…)

Several green patent complaints have been filed in the last several weeks in the areas of biofuels and LEDs.

Biofuels
The big story in biofuels patent litigation is the rapidly expanding patent war between advanced biofuels companies Gevo and BP-DuPont joint venture (more…)

As readers of this blog know, green patent activity continues at a record pace. Accordingly, Cleantech companies of all sizes need to stay aware of general trends in patent litigation, as the increasing number of green patents in circulation concomitantly increases the likelihood of litigation either now or in the future. (more…)

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…)

How the long arm of the law could reach cleantech investors when their portfolio companies become embroiled in green patent litigation

This blog’s readers are well aware of the critical role private-sector funding, (more…)

In a major new global LED patent war, Osram has sued Samsung and LG in several forums around the world, including the U.S. International Trade Commission, Delaware and California federal courts, Germany, and (against LG only) in Japan and China.

According to the California complaint against LG (more…)

LED patent litigation remains hot, with two new lawsuits filed last month. In the first, North Carolina LED maker Cree sued SemiLEDs Optoelectronics (SemiLEDs), alleging that SemiLEDs’ MvpLED product line infringes six patents.

The complaint (Cree-Semileds-Complaint), filed in (more…)

Butamax Advanced Biofuels (Butamax) is a Delaware-based joint venture between BP and DuPont formed in 2009 to develop biobutanol.

Biobutanol is an advanced biofuel which has some important advantages over ethanol, including an energy content closer to that of gasoline and the capacity to (more…)