# US 2008/0189387 A1 · Instant messenger system with accessible group contact list

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- Number: US 2008/0189387 A1
- Document ID: US20080189387A1
- Status: Published application
- Kind: A1
- Application number: 11/969,230
- Filed: 2008-01-04
- Published: 2008-08-07
- Earliest claimed: 2007-02-06
- Inventors: Ching-Kang Lee
- Web page: https://patentgrep.com/patent/US20080189387A1

## CPC

- H04L 51/48: Message addressing, e.g. address format or anonymous messages, aliases
- H04L 51/04: Real-time or near real-time messaging, e.g. instant messaging [IM]
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

A method for changing a user A's contact list of an instant messenger system includes the user A transmitting a request to a user B, and adding the user B's contact list to the user A's contact list after the user B accepts the user A's request.

## Claims

### Claim 1

A method for changing a contact list of a first user of an instant messenger system, the method comprising:
the first user transmitting a request to a second user; and
adding a contact list of the second user to the contact list of the first user after the second user accepts the request of the first user.

### Claim 2 (depends on 1)

The method of claim 1 further comprising:
labeling the contact list of the second user in the contact list of the first user as a first group.

### Claim 3 (depends on 1)

The method of claim 1 further comprising:
deleting the contact list of the second user from the contact list of the first user after the second user is deleted from the contact list of the first user.

### Claim 4 (depends on 1)

The method of claim 1 further comprising:
adding the contact list of the first user to the contact list of the second user after the second user accepts the request of the first user.

### Claim 5 (depends on 4)

The method of claim 4 further comprising:
labeling the contact list of the first user in the contact list of the second user as a group.

### Claim 6 (depends on 5)

The method of claim 5 further comprising:
deleting the contact list of the first user from the contact list of the second user after the first user is deleted from the contact list of the second user.

### Claim 7 (depends on 2)

The method of claim 2 further comprising:
the first user transmitting a request to a third user; and
adding a contact list of the third user to the contact list of the first user after the third user accepts the request of the first user.

### Claim 8 (depends on 7)

The method of claim 7 further comprising:
labeling the contact list of the third user in the contact list of the first user as a second group for differentiating from the first group.

### Claim 9

A method for changing a contact list of a first user of an instant messenger system, the method comprising:
a second user transmitting a request to the first user; and
adding a contact list of the second user to the contact list of the first user after the first user accepts the request of the second user.

### Claim 10 (depends on 9)

The method of claim 9 further comprising:
labeling the contact list of the second user in the contact list of the first user as a first group.

### Claim 11 (depends on 9)

The method of claim 9 further comprising:
deleting the contact list of the second user from the contact list of the first user after the second user is deleted from the contact list of the first user.

### Claim 12 (depends on 10)

The method of claim 10 further comprising:
the first user transmitting a request to a third user; and
adding a contact list of the third user to the contact list of the first user after the third user accepts the request of the first user.

### Claim 13 (depends on 12)

The method of claim 12 further comprising:
labeling the contact list of the third user in the contact list of the first user as a second group for differentiating from the first group.