3 ms·
The patent in question appears to have been filed in 1996 https://patents.google.com/patent/US5915257A/en?oq=5915257 https://patents.google.com/patent/US591525
by riemannzeta 3y ago
The patent in question appears to have been filed in 1996
https://patents.google.com/patent/US5915257A/en?oq=5915257 https://patents.google.com/patent/US5915257A/en?oq=5915257
A quick search suggests that Excel pivot tables launched in 1993. So the Brio patent does indeed appear to have come later in time.
Note that although the patent indicates ownership by Oracle, the assignment history shows that it originated with Brio.