PATENT CLAIM ANALYSIS

Application Number: 15742653
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["725", "031000"]

Abstract:
A broadcast receiving system is disclosed that verifies a current digital certificate extracted from a digital broadcast signal using a previous digital certificate previously stored as trusted. The current and previous digital certificates are associated with digital signatures with which data received with the broadcast signal has been signed. Also disclosed is a system for signing application data to be broadcast together with a digital certificate in a digital broadcast signal. A current digital certificate attesting the validity of a digital signature attached to broadcast data is in turn signed with a digital signature using one or more previous private keys associated with respective previous certificates identifying the issuer of the current digital certificate. These disclosures are in particular applicable to HbbTV.

Claim (Index 20):
The system of  claim 11 , where the data comprises at least one of: audio data; video data; subtitles; screen overlay data, and content related to received audio and video data.

Metadata:
- Claim Count in Document: 21.0
- Percentile: 86.0
- Lexical Diversity: 2.01587
- Patent Class: 725.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['09715350', '12241566', '13452408', '09359205', '12059758']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5128633270909668
- 35 USC 102 Novelty (BERT): 0.5199715972393532
- Combined Prediction Score: 0.5135741541058054
- Mean Citation Score: 287.445424
- Max Citation Score: 296.1634200000001
- Similarity Product: 177.25476407084233

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