It's rare, but I remember reading that USPTO has mistakenly issued conflicting patents. Legally, any publication is enough to bar others' patents, they're just not good at finding anything in the software literature, so having your own patent sort of rubs examiners' noses in it.
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It's rare, but I remember reading that USPTO has mistakenly issued conflicting patents. Legally, any publication is enough to bar others' patents, they're just not good at finding anything in the software literature, so having your own patent sort of rubs examiners' noses in it.
But the point is that if the USTPO issues conflicting patents, it is them that is liable instead of you. If you have a license, you're golden.