PATENT CLAIM ANALYSIS

Application Number: 16072647
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-12
Patent Classification: ["514", "051000"]

Abstract:
The present invention relates to a uridine phosphoramide prodrug, the preparation method therefor, and the medicinal uses thereof. The prodrug of the present invention is a chemical compound as shown in formula I, an optical isomer thereof or a pharmaceutically acceptable salt thereof. The prodrug of the present invention further comprises a solvate of the chemical compound shown in formula I, of an optical isomer thereof or of a pharmaceutically acceptable salt thereof. The prodrug of the present invention can treat viral infectious diseases, particularly hepatitis C viral infectious diseases.

Claim (Index 6):
The prodrug according to  claim 5 , wherein in the formula, R is independently selected from substituted benzyl groups with substituted benzene ring, or benzyl groups with substituted methylene, or benzyl groups containing substituents on the benzene ring being independently selected from methyl or/and methoxy; or benzyl groups containing methylene with substituents independently selected from C 1 -C 10  linear hydrocarbyl, OC 1 -C 10  alkoxyhydrocarbyl, C 3 -C 10  branched hydrocarbyl, C 3 -C 10  cyclic hydrocarbyl, C 6 -C 10  aryl or heteroaryl, wherein when there is only one substitute on the benzene ring of a benzyl group and in the ortho-position, the substituent is non-methyl;\n R 1  is isopropyl; R 2  is methyl, and the carbon atom configuration attached thereto is R or S; R 3  is H; and Z is O.

Metadata:
- Claim Count in Document: 14.0
- Percentile: 95.0
- Lexical Diversity: 2.15217
- Patent Class: 514.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['13838071', '15548776', '11660907', '15025618', '11577963']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.787061897712902
- 35 USC 102 Novelty (BERT): 0.4979143837125405
- Combined Prediction Score: 0.758147146312866
- Mean Citation Score: 255.888808
- Max Citation Score: 265.02206
- Similarity Product: 217.49872080499648

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test