PATENT CLAIM ANALYSIS

Application Number: 16067097
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2019-01
Patent Classification: ["540", "575000"]

Abstract:
The present invention discloses a compound shown in formula I or a stereoisomer, pharmaceutically acceptable salt, crystal form, solvate or isotopologue thereof. The compound of the present invention shows excellent inhibition activity against histone deacetylases, has remarkable inhibition effects on cancer cells, and provides a new choice of drugs used for the clinic treatment and diseases related to the abnormal activity of histone deacetylases.

Claim (Index 18):
The compound according to  claim 17 , wherein R 41b , R 42b , R 44b  and R 45b  are independently H, methyl or ethyl; and, R 43b  is H, methyl, ethyl, methoxy-substituted C 2 -C 4  alkyl, ethoxy-substituted C 2 -C 4  alkyl, acetyl or cyclopropyl.

Metadata:
- Claim Count in Document: 54.0
- Percentile: 94.0
- Lexical Diversity: 1.42
- Patent Class: 540.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15635181', '15718474', '14377616', '10143335', '14763468']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6702108161901661
- 35 USC 102 Novelty (BERT): 0.5295754019895949
- Combined Prediction Score: 0.656147274770109
- Mean Citation Score: 272.53179600000004
- Max Citation Score: 295.58173
- Similarity Product: 190.67644347976983

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