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Thank you, bfalson. I made the mistake of not reading the FULL copyright notice on the back of the box or the back cover of each disc. Here's the actual comparison:

The Marriage of Maria Braun
2003 DVD: Under exclusive license from Wellspring Media ©1979 The Rainer Werner Fassbinder Foundation ©2003 The Criterion Collection All rights reserved.
2019 BD: Under exclusive license from the Rainer Werner Fassbinder Foundation. ©1979 The Rainer Werner Fassbinder Foundation. ©2019 The Criterion Collection. All rights reserved.

Veronika Voss
2003 DVD: Under exclusive license from Wellspring Media ©1982 The Rainer Werner Fassbinder Foundation ©2003 The Criterion Collection All rights reserved.
2019 BD: Under exclusive license from the Rainer Werner Fassbinder Foundation. ©1982 The Rainer Werner Fassbinder Foundation. ©2019 The Criterion Collection. All rights reserved.

Lola
2003 DVD: Under exclusive license from Filmverlag der Autoren ©1979 Rialto Film ©2003 The Criterion Collection All rights reserved.
2019 BD: Under exclusive license from StudioCanal ©2018 STUDIO-CANAL GmbH. ©2019 The Criterion Collection. All rights reserved.

So it was StudioCanal holding things up all along.