"If you have an invention, don't sell your technology too early to anyone," says Finnish inventor Janne Poranen. "Hold out for the biggest customer you can find, and that way you will get the best price."
Mr Poranen, who is chief executive of a firm called Spinnova, spent six years developing a new type of fibre for clothes made out of waste products such as wood pulp, and then a further six years waiting for the right partners to come along to make use of his break-through technology.
Source: BBC News
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