When you are using LEDES or ESIS Advocator as the external billing file format, the Ext. Code holds the UBTMS code. They are listed here courtesy of the LEDES group, and may not be inclusive of any changes.

Task Codes
L100 Case Assessment, Development and Administration.
L110 Fact Investigation/Development.
L120 Analysis/Strategy.
L130 Experts/Consultants.
L140 Document/File Management.
L150 Budgeting.
L160 Settlement/Non-Binding ADR.
L190 Other Case Assessment, Development and Administration.
L200 Pre-Trial Pleadings and Motions.
L210 Pleadings.
L220 Preliminary Injunctions/Provisional Remedies.
L230 Court Mandated Conferences.
L240 Dispositive Motions.
L250 Other Written Motions/Submissions.
L260 Class Action Certification and Notice.
L300 Discovery.
L310 Written Discovery.
L320 Document Production.
L330 Depositions.
L340 Expert Discovery.
L350 Discovery Motions.
L390 Other Discovery.
L400 Trial Preparation and Trial.
L410 Fact Witnesses.
L420 Expert Witnesses.
L430 Written Motions/Submissions.
L440 Other Trial Preparation and Support.
L450 Trial and Hearing Attendance.
L460 Post-Trial Motions and Submissions.
L470 Enforcement.
L500 Appeal.
L510 Appellate Motions and Submissions.
L520 Appellate Briefs.
L530 Oral Argument.
C100 Fact Gathering.
C200 Researching Law.
C300 Analysis and Advice.
C400 Third Party Communication.
P100 Project Administration.
P200 Fact Gathering/Due Diligence.
P210 Corporate Review.
P220 Tax.
P230 Environmental.
P240 Real and Personal Property.
P250 Employee/Labor.
P260 Intellectual Property.
P270 Regulatory Reviews.
P280 Other.
P300 Structure/Strategy/Analysis.
P400 Initial Document Preparation/Filing.
P500 Negotiation/Revision/Responses.
P600 Completion/Closing.
P700 Post-Completion/Post-Closing.
P800 Maintenance and Renewal.
B100 Administration.
B110 Case Administration.
B120 Asset Analysis and Recovery.
B130 Asset Disposition.
B140 Relief from Stay/Adequate Protection Proceedings.
B150 Meetings of and Communications with Creditors.
B160 Fee/Employment Applications.
B170 Fee/Employment Objections.
B180 Avoidance Action Analysis.
B185 Assumption/Rejection of Leases and Contracts.
B190 Other Contested Matters (excluding assumption/rejection motions).
B195 Non-Working Travel.
B200 Operations.
B210 Business Operations.
B220 Employee Benefits/Pensions.
B230 Financing/Cash Collections.
B240 Tax Issues.
B250 Real Estate.
B260 Board of Directors Matters.
B300 Claims and Plan.
B310 Claims Administration and Objections.
B320 Plan and Disclosure Statement (including Business Plan).
B400 Bankruptcy-Related Advice.
B410 General Bankruptcy Advice/Opinions.
B420 Restructurings.
TR100 Assessment, Development, and Administration.
TR110 Fact Investigation and Development.
TR120 Analysis/Strategy.
TR130 Document/File Management.
TR140 Budgeting.
TR199 Other Assessment, Development.
TR200 Trademark Investigation and Analysis.
TR220 Registability Investigation.
TR230 Clearance Investigation.
TR240 Opposition Investigation.
TR250 Publication Watches.
TR260 Enforcement Investigation.
TR270 Status Investigation.
TR299 Other Trademark Investigation.
TR300 Domestic Trademark Application Preparation.
TR310 Application Preparation and Filing.
TR399 Other Domestic Trademark Aplication.
TR400 Domestic Trademark Prosecution and Renewal.
TR410 Affidavits, Petitions, Extensions.
TR420 Preliminary Amendment -Domestic.
TR430 Official Communication -Domestic.
TR440 Quasi-Judicial Administrative.
TR499 Other Trademark Prosecution.
TR500 International Trademark Application Preparation and Renewals.
TR510 Application Preparation and Filing.
TR599 Other International Trademark.
TR600 International Trademark Prosecution and Renewal.
TR610 Affidavits, Petitions, Extensions.
TR620 Preliminary Amendment.
TR630 Official Communication.
TR640 Quasi-Judicial Administrative.
TR699 Other Trademark Prosecution.
TR700 Other Trademark Related Tasks.
TR710 Opinion Preparation.
TR720 Portfolio Analysis and Management.
TR730 Assignments and Security Interests.
TR740 Licensing.
TR750 Domain Names -gTLDs.
TR760 Domain Names -ccTLDs.
TR770 Quasi-Judicial Administrative Proceedings.
TR799 Other Trademark Prosecution.
Activity Codes
A101 Plan and prepare for.
A102 Research.
A103 Draft/revise.
A104 Review/analyze.
A105 Communicate (in firm).
A106 Communicate (with client).
A107 Communicate (other outside counsel).
A108 Communicate (other external).
A109 Appear for/attend.
A110 Manage data/files.
A111 Other.
Expenses Codes
E101 Copying.
E102 Outside printing.
E103 Word processing.
E104 Facsimile.
E105 Telephone.
E106 Online research.
E107 Delivery services/messengers.
E108 Postage.
E109 Local travel.
E110 Out-of-town travel.
E111 Meals.
E112 Court fees.
E113 Subpoena fees.
E114 Witness fees.
E115 Deposition transcripts.
E116 Trial transcripts.
E117 Trial exhibits.
E118 Litigation support vendors.
E119 Experts.
E120 Private investigators.
E121 Arbitrators/mediators.
E122 Local counsel.
E123 Other professionals.
E124 Other.
E125 Translation Drawings Patent.
E126 Trademarks Records Searching.
E127 Monitoring Official Patent Fees.
E128 Renewal fees.
E129 Late fees.
E130 Post-Issuance Maintenance and Renewal Fees.
E131 Late Fees.

Combining codes

You can combine codes by joining them with a double colon, for example:


Will use code L110 as the task code and A105 as the activity code in the LEDES entry.