PATENT CLAIM ANALYSIS

Application Number: 16326976
Application Type: Utility
Filing Date: 2019-02
Publication Date: 2019-06
Patent Classification: ["546", "113000"]

Abstract:
Provided are a PDE4 inhibitor and a use thereof in the preparation of a medicament for treating PDE4 related diseases. Specifically disclosed are the compound as shown in formula (I) and a pharmaceutically acceptable salt thereof.

Claim (Index 16):
The compound or the pharmaceutically acceptable salt thereof according to  claim 1 , wherein R 1  and R 2  are each independently selected from H, F, Cl, Br, I, OH, NH 2 , CN, R 5 -L 2 -, or selected from the group consisting of C 1-3  alkyl, C 1-3  alkoxy, C 1-3  alkylthio, C 1-3  alkylamino, C 2-4  alkenyl, 1,2,3,6-tetrahydropyridyl, pyridin-2(1H)-one-yl, phenyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, pyrazolyl, imidazolyl, thiazolyl, isothiazolyl and thienyl, each of which is optionally substituted by 1, 2 or 3 R; R 1  and R 2  are each independently selected from H, F, Cl, Br, I, OH, NH 2 , CN, R 5 -L 2 -, or selected from the group consisting of Me, which is optionally substituted by 1, 2 or 3 R; or R 1  and R 2  are each independently selected from H, F, Cl, Br, I, OH, NH 2 , CN, Me,

Metadata:
- Claim Count in Document: 31.0
- Percentile: 99.0
- Lexical Diversity: 1.33333
- Patent Class: 546.0
- Transitional Phrase Type: closed
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['16325626', '16317510', '16476797', '16087861', '15812142']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8218502994018974
- 35 USC 102 Novelty (BERT): 0.5401252830470346
- Combined Prediction Score: 0.7936777977664111
- Mean Citation Score: 372.804462
- Max Citation Score: 383.89105
- Similarity Product: 316.7543190981001

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

Dataset: test