Thomson Reuters IP & Science 2015
Thompson Reuters

IAM Patent 1000 – The World’s Leading Patent Practitioners is a unique, research-based annual guide that lists leading private practice patent professionals and firms in 41 of the world’s key jurisdictions (with national and regional rankings for the United States).

The IAM Patent 1000 is the only one-stop-shop guide solely dedicated to providing detailed information about best-in-class patent prosecution, licensing and litigation practitioners, law firms and attorney firms on a global basis.

In 2014, for the first time, the IAM Patent 1000 also features a US listing of leading expert witnesses.


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