If your interests are against Google in the future, and importantly they find it is necessary to go after you, they will sue you upon using those layers.
For most people it probably doesnt matter. Other big techs need to take notice
For most people it probably doesnt matter. Other big techs need to take notice
More precisely, network layer pattern descriptions surely lie in the class of a fact or discovery - https://www.prv.se/en/patents/applying-for-a-patent/before-t... - which should make the claim close to unenforceable at any level.
Unless the patent we're discussing covers a very specific implementation, which is uniquely efficient.
Megacorps have nothing to worry about. They have enormous patent war chests and routinely violate each other's patents without even thinking twice. Engineers at such companies (including Google) are discouraged from even looking at patents, ever, not to mention deliberately researching anything patent related.