Your wife can apply for L-2 visa as long as you maintain your L-1 status but having a current I-94 and maintaining the underlying employment.
I agree with my colleague.
The answer provided here is general in nature and does not take into account other factors that may need to be reviewed for a more precise answer. You should consult with an immigration attorney before taking any action. The answer here is not intended to create an attorney-client relationship.
I agree with Christian. As long as the L-1 spouse is maintaining status in the U.S., you can seek L-2 visa.
This response is general in nature and cannot be construed as legal advice, given that not enough facts are known. Any comments offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship. If you would like additional information based on this response, please contact my office at 510 657 7665 or 415 902 0832 to schedule a consultation.