----

**Exhibit 10.105**

**TRADEMARK      ASSIGNMENT      AGREEMENT **

**Agreement**
**Effective Date**
**Assignor**
**Assignee**

**Marks**

----

----

|                                                                                                                                                                                                                                                                                                                                                                                      |        |  |              |                                                                                                                                                                                                                                                                                |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--|--------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **ASSIGNOR:**                                                                                                                                                                                                                                                                                                                                                                        |   |  |    | **ASSIGNEE:**                                                                                                                                                                                                                                                                  |
|                                                                                                                                                                                                                                                                                                                                                                                      |        |  |
| **Applied              Digital Solutions, Inc**                                                                                                                                                                                                                                                                                                                                      |   |  |    | **VeriChip              Corporation**                                                                                                                                                                                                                                          |
|                                                                                                                                                                                                                                                                                                                                                                                      |        |  |
| By: /s/              Michael Krawitz                                                                   |   |  |    | By: /s/              Scott              Silverman                                     |
|                                                                                                                                                                                                                                                                                                                                                                                      |        |  |
| Name: Michael              Krawitz                                                                          |   |  |    | Name: Scott              Silverman                                                    |
|                                                                                                                                                                                                                                                                                                                                                                                      |        |  |
| Title: Chief              Executive              Officer                                                                                            |   |  |    | Title: Chief              Executive              Officer                                                                                     |

----

**Exhibit      A**

|                               |              |             |              |                                    |              |                            |              |                             |              |                    |
|-------------------------------|--------------|-------------|--------------|------------------------------------|--------------|----------------------------|--------------|-----------------------------|--------------|--------------------|
| **Serial                No.** |    | **Country** |    | **Title/Mark**                     |    | **FILE              DATE** |    | **REG.              No.**   |    | **REG. DATE** |
| 78/032295                     |    | US          |    | TECHNOLOGY              THAT CARES |    | 10/25/2000                 |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 78/099039                     |    | US          |    | VERICHIP                           |    | 12/19/2001                 |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 2,425,463                     |    | Argentina   |    | VERICHIP                           |    | 4/21/2003                  |    | 680,              295       |    |                    |
|                               |              |             |              |                                    |              |
| 825387060                     |    | Brazil      |    | VERICHIP                           |    | 4/21/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 1,176,009                     |    | Canada      |    | VERICHIP                           |    | 4/25/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 605929                        |    | Chili       |    | VERICHIP                           |    | 4/28/2003                  |    | 680295                      |    | 12/3/2003          |
|                               |              |             |              |                                    |              |
| 3538381                       |    | China       |    | VERICHIP                           |    | 4/24/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 03022969                      |    | Colombia    |    | VERICHIP                           |    | 4/22/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 002912319                     |    | CTM(Europe) |    | VERICHIP                           |    | 10/29/2002                 |    | 2912319                     |    |                    |
|                               |              |             |              |                                    |              |
| 131873                        |    | Ecuador     |    | VERICHIP                           |    | 3/6/2003                   |    | 23971                       |    | 6/24/2003          |
|                               |              |             |              |                                    |              |
| 2003-18440                    |    | Korea       |    | VERICHIP                           |    | 4/22/2003                  |    | 611263                      |    |                    |
|                               |              |             |              |                                    |              |
| 592475                        |    | Mexico      |    | VERICHIP                           |    | 3/14/2003                  |    | 790076                      |    | 4/30/2003          |
|                               |              |             |              |                                    |              |
| 2003716292                    |    | Russia      |    | VERICHIP                           |    | 8/22/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 2004-00069                    |    | SouthAfrica |    | VERICHIP                           |    | 1/5/2004                   |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 05801/2003                    |    | Switzerland |    | VERICHIP                           |    | 11/25/2003                 |    | 519350                      |    | 3/18/2004          |
|                               |              |             |              |                                    |              |
| 092019313                     |    | Taiwan      |    | VERICHIP                           |    | 4/22/2003                  |    | Reg. No. 01091002 |    |                    |
|                               |              |             |              |                                    |              |
| 3433-2002                     |    | Venezuela   |    | VERICHIP                           |    | 3/28/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 78/119040                     |    | US          |    | VERIPASS                           |    | 4/2/2002                   |    | 2,807,427                   |    | 1/20/2004          |
|                               |              |             |              |                                    |              |
| 78/103916                     |    | US          |    | GET              CHIPPED           |    | 1/21/2002                  |    | 2772634                     |    | 10/7/2003          |
|                               |              |             |              |                                    |              |
| 826113800                     |    | Brazil      |    | VERIMED                            |    | 12/9/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 003542271                     |    | CTM(Europe) |    | VERIMED                            |    | 12/8/2003                  |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 633078                        |    | Mexico      |    | VERIMED                            |    | 12/8/2003                  |    | 831309                      |    |                    |
|                               |              |             |              |                                    |              |
| 78/259979                     |    | US          |    | VERIMED                            |    | 6/9/2003                   |    |                             |    |                    |
|                               |              |             |              |                                    |              |
| 78/882482                     |    | US          |    | VERITRACE                          |    | 5/12/2006                  |    |                             |    |                    |

----

|                                                |              |                   |              |                |              |                            |              |                   |              |                    |
|------------------------------------------------|--------------|-------------------|--------------|----------------|--------------|----------------------------|--------------|-------------------|--------------|--------------------|
| **Serial                No.**                  |    | **Country**       |    | **Title/Mark** |    | **FILE              DATE** |    | **REG. No.** |    | **REG. DATE** |
| Not                yet                assigned |    | Brazil            |    | VERIGUARD      |    | 11/14/2003                 |    |                   |    |                    |
|                                                |              |                   |              |                |              |
| 003574233                                      |    | CTM (Europe) |    | VERIGUARD      |    | 12/8/2003                  |    |                   |    |                    |
|                                                |              |                   |              |                |              |
| 633076                                         |    | Mexico            |    | VERIGUARD      |    | 12/8/2003                  |    | 831307            |    |                    |
|                                                |              |                   |              |                |              |
| 8261138000                                     |    | Brazil            |    | VERIPAY        |    | 12/9/2003                  |    |                   |    |                    |
|                                                |              |                   |              |                |              |
| 003574167                                      |    | CTM (Europe) |    | VERIPAY        |    | 12/8/2003                  |    |                   |    |                    |
|                                                |              |                   |              |                |              |
| 633077                                         |    | Mexico            |    | VERIPAY        |    | 12/8/2003                  |    | 831309            |    |                    |
|                                                |              |                   |              |                |              |
| 78/260027                                      |    | US                |    | VERIPAY        |    | 6/9/2003                   |    |                   |    |                    |
|                                                |              |                   |              |                |              |
| 826059325                                      |    | Brazil            |    | VERIKID        |    | 11/14/2003                 |    |                   |    |                    |
|                                                |              |                   |              |                |              |
| 78/309237                                      |    | US                |    | VERIKID        |    | 10/3/2003                  |    |                   |    |                    |

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**Exhibit      B**

**IN      THE UNITED STATES PATENT      AND TRADEMARK OFFICE **

**TRADEMARK      ASSIGNMENT**

**Assignor**
**Marks**

**Assignee**

|                             |              |                                              |              |                                  |
|-----------------------------|--------------|----------------------------------------------|--------------|----------------------------------|
| **_______________________** |    | Applied              Digital Solutions, Inc. |
| Date                        |    |                                              |    |                                  |
|                             |              |                                              |
|                             |    | By:                                          |    | ________________________________ |
|                             |              |                                              |
|                             |    | Name:                                        |    |                                  |
|                             |              |                                              |
|                             |    | Title:                                       |    |                                  |