Portfolio comparison
EMI Ltd vs Allergan Inc
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 3778614· 1973
How Early CT Scans Created Detailed Body Images
Activity by Decade
1970s1
Top Patents1 enriched
US 9402913· 2016
Combining Cyclosporine A and Steroids into a Single Hybrid Drug
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.