>>>With many products they run tests with a much higher temperature or a higher moisture, to simulate aging. I just saw a company that released a new range of LED lamps which were guaranteed to last 50000 hours, which is nearly 6 years. But the technology behind was brand new!
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>>or wait for surprising bancrupcy in 3 or 4 years to make sure profits are kept before claims start to roll in heavily... While proving how much time the LED burned will be difficult as well ;-)
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>If the LED fails before less than 50000 hours after the product was initially released, I say would say that I have a strong case.

Sure, but even energy-efficient LED running more than 50% of the year is probably NOT your everyday usage - even taking into certain areas up north
http://www.sonypictures.com/movies/30daysofnight/

so in the first 3-4 years claims will not come en masse if normal lifespan is about half with a variance of less than 10%, as most will probably be on only for 30% or less. Of those failing, only few will have clear case, be reimbursed to ***cause*** bancrupcy after "normal" CEO wages depleted earnings suffiently. Sometimes I have a dirty mind...