The decision is the latest in a long controversy, and even mystery, surrounding the patent.

The city objected, and after a long controversy one was duly built.

Next year the 'provincial assembly' appointed a committee on the subject; a long controversy followed.

A long controversy on the truth of the matter then ensued.

There has been a long controversy about whether or not to classify it as a mammal at all.

The utility has been involved in a long controversy over its Shoreham nuclear plant.

This book, full of Arian doctrine, led to a long controversy.

Here are some points that emerge from the long controversy.

There was still a long controversy surrounding the planned route.

Officials had been expected, after a long controversy, to award $27 million in contracts.