As copied from its original place within the R12 Laptop review. I thought it interesting enough to warrant a post of its own.

Release 11i
OA Framework 5.10 patch JDeveloper 9i Patch
ATG.PF.H (patch 3438354 or Oracle Applications 11.5.10) needs Patch 4045639
ATG PF CU1 (patch 4017300) needs Patch 4141787
ATG PF CU2 (patch 4125550) needs Patch 4573517
11i.ATG_PF.H RUP3 (patch 4334965) needs Patch 4725670
11i.ATG_PF.H RUP4 (patch 4676589) needs Patch 5455514
11i.ATG_PF.H RUP5 (patch 5473858) needs Patch 6012619
11i.ATG_PF.H.RUP6 (patch 5903765) needs Patch 6469392

Release 12
ATG Release 12 Version JDeveloper 10g Patch
12.0.0 Patch 5856648 10g Jdev with OA Extension
12.0.1 (patch 5907545) needs Patch 5856648 10g Jdev with OA Extension
12.0.2 (patch 5484000 or 5917344) needs Patch 6491398(replaces 6197418)
12.0.3 (patch 6141000 or 6077669) needs Patch 6509325 10g Jdev with OA Extension ARU for R12 RUP3
12.0.4 (patch 6435000 or 6272680) needs Patch 6724031 10G JDEVELOPER WITH OA EXTENSION ARU FOR R12 RUP4
12.0.5 TBA