There are also worries about the possibility of tacit collusion among large patent-holders, who might attack individual inventors in order to keep them out of specific markets.
也有人担心大型的专利持有集团勾结起来攻击个人的发明者，以把他们赶出某个市场。
2
In many places there is a problem over intellectual property because of an imbalance of power between copyright and patentholders on the one hand, and the public on the other.
在很多地方，知识产权都是个老大难问题，原因就是版权和专利权所有人和公众之间权限的失衡。
3
Proposals abound, including one that made headlines in 2009 because the patentholders included Microsoft founder Bill Gates.