The lawyers suggested hiring large numbers of inventors, to build a fortress of improvement patents around the basic patent and keep competitors far from the company’s technology.
律师建议雇佣大量的发明人，为基本专利建立一个改进专利的堡垒，将竞争者远远地甩在后头。
2
Patent lawyers recommended the use of what are called improvement patents, by which the life of a patent-in the United States, its life is seventeen years-could be extended almost indefinitely.
专利律师推荐使用改进专利，它在美国的专利年限为17年，并可以几乎可以被延长至无限期。
3
But what you and I might consider an improvement, a patent lawyer might consider infringement.