PATENT CLAIM ANALYSIS

Application Number: 15909430
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-07
Patent Classification: ["726", "029000"]

Abstract:
A method is provided that includes receiving a command for reading out content from a non-transitory recording medium, and identifying first version information indicating a version of a content copyright protection method. The method includes identifying second version information indicating a version of a protocol used in authentication of the host apparatus, and determining whether the authentication is to be approved or not. The method also includes authenticating the host apparatus according to a result of the determination, reading out medium-specific information, and sending the medium-specific information to the authenticated host apparatus. The method further includes reading out the encrypted content and sending the encrypted content to the authenticated host apparatus, wherein the first version information is identified based on disk information that is meta data stored at a beginning of the recording medium formed in a disk shape in the identifying first version information.

Claim (Index 2):
A non-transitory recording medium, storing:\n a copyright-protected encrypted content; medium-specific information used in decrypting the encrypted content; a host revocation list that is a list of invalid host apparatuses; and disk information that is meta data, wherein version information indicating a version of a content copyright protection of the encrypted content is identified based on the disk information, and the version information is used in authentication between i) a host apparatus that issues an instruction to read out the encrypted content and the medium-specific information, and ii) a content reading apparatus that receives the instruction from the host apparatus.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 90.0
- Lexical Diversity: 2.33333
- Patent Class: 726.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['14854075', '12417209', '12694579', '11072055', '09647961']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.312698329874953
- 35 USC 102 Novelty (BERT): 0.5516201184245458
- Combined Prediction Score: 0.3365905087299123
- Mean Citation Score: 238.63842800000003
- Max Citation Score: 428.5724
- Similarity Product: 319.43996492662427

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