As far as I know, you cannot reset the bios password of the Toshiba laptop just by removing the CMOS battery. You need to reset the contents of the flash EEPROM that stores several values like the password, serial number, MAC adress, OEM numbers. I don't believe that this is possible outside of a Toshiba workshop.

The website Laptop Rebirth advertises Toshiba Bios Password Unlock Service for $34.99 USD.
You could try their advice first to see if it is applicable to your computer :

At the BIOS password prompt ("PASSWORD = "), press and release the following keys, one after another: Ctrl, Tab, Ctrl, Enter.
The computer's response should be:
PC Serial No.= XXXXXXXXX
Challenge Code= XXXXX XXXXX XXXXX XXXXX XXXXX
Response Code=

Get response code from www.laptoprebirth.com.

I don't know this site, but they do promise a full refund (requires a full video of your attempt!).

As far as I know, you cannot reset the bios password of the Toshiba laptop just by removing the CMOS battery. You need to reset the contents of the flash EEPROM that stores several values like the password, serial number, MAC adress, OEM numbers. I don't believe that this is possible outside of a Toshiba workshop.

Toshiba ASP Support may give you the Response Code for free (with enough explanations on your side). See also toshiba bios password solution for Centrino/P4 laptops, maybe still be pertinent to your model as regarding the Response Code

_{If googling comes up with the website Laptop Rebirth, be advised that it does not work any more, so you would be wasting your money.}