PATENT CLAIM ANALYSIS

Application Number: 15905828
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-03
Patent Classification: ["711", "135000"]

Abstract:
A data backup method is provided. The data backup method includes maintaining a logical-to-physical table (L2P table) in a memory, where the L2P table records a plurality of physical addresses respectively corresponding to a plurality of first logical addresses and a plurality of trim marks; receiving a trim command, wherein the trim command indicates that data stored in one or more second logical addresses is invalid; according to the trim command, not clearing physical addresses respectively corresponding to the second logical addresses in the L2P table, and changing trim marks respectively corresponding to the second logical addresses from a first bit value to a second bit value; and when a predetermined condition is met, updating the L2P table according to the trim marks, and storing the updated L2P table into a rewritable non-volatile memory module.

Claim (Index 3):
The data backup method as claimed in  claim 1 , further comprising:\n receiving a writing command, wherein the writing command indicates to store write data to a third logical address among the one or more second logical addresses; executing the writing command to program the write data to a third physical address; and changing a third trim mark, among the first trim marks recorded in the first logical-to-physical table, corresponding to the third logical address to the first bit value, and updating the first logical-to-physical table according to the third physical address and the third logical address.

Metadata:
- Claim Count in Document: 15.0
- Percentile: 88.0
- Lexical Diversity: 2.3125
- Patent Class: 711.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15726353', '13860118', '15186549', '14149993', '13896328']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5638239362101316
- 35 USC 102 Novelty (BERT): 0.5311179606065284
- Combined Prediction Score: 0.5605533386497713
- Mean Citation Score: 319.191954
- Max Citation Score: 374.53387
- Similarity Product: 312.4121429902232

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test