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Managing IP’s analysis of Docket Navigator data on April’s PTAB petitioners, patent owners, law firms and attorneys reveals the Coalition for Affordable Drugs’ campaign against pharma dropped Apple to second place for filing. Signal IP was the most targeted company

• US: Microsoft issued 10,000th patent Microsoft received its 10,000th US patent last month, a milestone the company said highlights its goal of obtaining enough patents to maximise the value of its R&D efforts, while still focussing on patent quality over quantity. Addressing the considerably higher number of patents owned by competitor IBM, Microsoft's chief patent counsel Bart Eppenauer said: "We really focus on trying to achieve the right balance. What matters is that our portfolio remains strategically in line with our business model." Last month, IBM became the first company to be issued more than 4,000 US patents in one year, surpassing the total number of patents earned by Microsoft, Hewlett-Packard, Oracle, Apple, EMC, Accenture and Google combined.

In the recent Festo decision, the Federal Circuit unveiled a new approach to analyzing the doctrine of equivalents and the companion doctrine of prosecution history estoppel. In light of this new approach, Allen R Jensen and Stacy D Lewis provide some guidelines for patentees

The world's leading copyright firms, ranked across 21 jurisdictions

Australia

Was Starbucks’ trade mark lawsuit over a small New Hampshire coffee producer’s Charbucks blend motivated by bitterness over the criticism implied in the name, or a genuine concern that customers may be confused about the origin of the product?

The best firms last year in regions across the United States and - for the first time - the best individual litigators in 12 different states

The world’s leading patent firms are recommended and ranked in the 20th year of Managing IP's legal market research

Recommendations on improving the EPO, the AIPLA president on two landmark biotech cases; a novel way to settle disputes; 3D printing latest and answers to yesterday’s questions feature in today’s IP news roundup

A judgment from the General Court of the EU yesterday said that the owners of Formula 1 could not prevent another company from using the term F1 in a trade mark, because it is descriptive