Electronic signing of documents
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 16, 2003
app pub date -
Jul 16, 2001
filing date -
Jul 16, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A method for a person to sign a document (as defined herein) by use of an electronic pen (as defined herein), including the steps of capturing a hand signature (as defined herein) of the person; verifying the person's identity; generating a verification ID; then attaching the hand signature, the verification ID and an optical watermark to the document to complete the document signing process. Also disclosed is a method for generating a validated hand signature (as defined herein) to a document including the steps of signing the document using an e-pen (as defined herein); creating a digest of the document; encrypting the hand signature within the electronic pen; generating a verification ID; incorporating the verification ID into the document; and integrating the digest into the document.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TRUSTCOPY PTE LTD | SINGAPORE 119631 |
International Classification(s)

- 2001 Application Filing Year
- H04L Class
- 6121 Applications Filed
- 2966 Patents Issued To-Date
- 48.46 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Wu, Jian Kang | Singapore, SG | 4 | 263 |
# of filed Patents : 4 Total Citations : 263 | |||
Zheng, Lei | Singapore, SG | 153 | 1088 |
# of filed Patents : 153 Total Citations : 1088 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 68 Citation Count
- H04L Class
- 83.22 % this patent is cited more than
- 22 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

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