Even in Europe and U.S, most patent wars ends up with a truce. There are two reasons, it’s only part of the overall business strategy and it’s usually too costly.
Concerns about ad-blockers have grown following the recent launch of iOS 9, which supports blockers for Mobile Safari.
JPMorgan has downplayed those concerns, arguing most ad-blocking takes place on desktops, that far more time is spent on mobile apps (largely immune to ad-blocking for now) than browsers, that publishers are starting to withhold content from those using ad-blockers, and that ad spend is shifting towards formats more immune to ad-blocking (e.g. native ads).