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by arleenzank
Tue Jul 13, 2021 3:00 pm
Forum: Patent Information Matters
Topic: Ongoing revision and changes on the CPC Y-tags
Replies: 5
Views: 9815

Re: Ongoing revision and changes on the CPC Y-tags

Is there an update on what is happening with the CPC Y-tags. We are noticing some irregularities in what is tagged with Y CPCs and what is not. For example, on batteries we routinely find patents and pre-grant publications that seem like they should have Y tags but do not. In other art that seems li...