While Len insisted the pair are not seeking spousal support from each other, Kate's filing states that she is reserving the right to support from Len, TMZ reported.
The pair - who married in 2004 - had a pre-nuptial agreement and Kate has asked for all of her earnings, following the breakdown of their relationship, to remain hers.
She is also seeking to keep her own jewels and other personal items.
In court papers previously filed by Len in October, 11 months after they split, he cited irreconcilable differences.
Kate, 43, previously in a relationship with actor Michael Sheen, 48, for eight years until 2003. They have an 18-year- old daughter Lily together.
Despite their separation 14 years ago, Kate and Michael have remained close friends and have always co-parented Lily.
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