In some cases firms owning standard-essential rights join together to form a "patent pool".

BBC: Tech firms and regulators meet at UN patent pow-wow

As a result of the agreements, MPEG LA will discontinue its effort to form a VP8 patent pool.

ENGADGET: Google and MPEG LA settle up, free VP8 video codec for the world wide web

On Wednesday, ViiV Healthcare a joint venture of GlaxoSmithKline, Pfizer, and Shionogi announced it would grant a voluntary license to the Medicines Patent Pool to enable low-cost supply of a key pediatric HIV medicine in the 118 countries in which 98.7% of all HIV-positive children reside.

WHITEHOUSE: Medicines Patent Pool and ViiV Healthcare Collaborate for Children with HIV | The White House

Though the Korean electronics company is rarely mentioned as a patent powerhouse, it claims 23% of the pool of LTE patents that Jefferies analyzed.

FORBES: Identifying The Tech Leaders In LTE Wireless Patents

He compared it, among others, to the patent rate of the firms that had been included in the pool.

FORBES: Patent Pools: Do They Kill Innovation?