Keller Lenkner LLC | Arbitration Database

This page tracks arbitration cases handled by Keller Lenkner LLC on behalf of consumers or employees. Browse the attorneys at this firm below, or explore which companies they've most frequently faced. Click any case count to search the matching cases.

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Top Businesses by Lawsuit Count

Business	2025	2024	2023	2022 ↓	2021	All
TurboTax	—	—	—	37,194	1,562	38,764
Amazon	—	—	—	31,187	97	31,286
Dollar Tree, Inc.	—	—	—	361	78	517
Private Party	—	—	—	1	1	2
Family Dollar	—	—	—	—	—	1,135
H&R Block, Inc.	—	—	—	—	1,000	1,000
Amazon.com	—	—	—	—	—	17
Shipt, Inc.	—	—	—	—	10	10
Peloton Interactive, Inc.	—	—	—	—	—	8
Macy's, Inc.	—	—	—	—	3	5
DoorDash, Inc.	—	—	—	—	—	4
Grubhub, Inc	—	—	—	—	—	1
CenturyLink, Inc.	—	—	—	—	—	1
FanDuel Inc.	—	—	—	—	—	1
NPC International Inc	—	—	—	—	—	1
Caviar, LLC	—	—	—	—	—	1
DraftKings, Inc.	—	—	—	—	—	1

Attorneys (27)

Attorney	Cases
Warren Postman	71,186
Sean Duddy	1,001
Warren D. Postman	517
Sean Duddy	512
Ashley Keller	32
Emma Knowles	17
Sheri Davis	13
Madeleine Milan	13
Elizabeth Katzman	10
Joseph Two	10
Emma Knowles	3
Greathouse Case	1
Aaron M. Zigler	1
Tinsley Case	1
Dominique Price	1
Nick Larry	1
Beth Berman	1
Stipp Case	1
Council Case	1
Vaughn Case	1
Marquel Reddish	1
Elaine Hogan	1
Sara Rafal	1
Newman Case	1
Monica Karrenbauer	1
Glimsdal Case	1
Joanna Kopczyk	1

Disposition

Disposition	2022	2021	All
Withdrawn	68,335	2,558	70,900
Settled	375	120	1,717
Awarded	27	35	65
Dismissed	6	37	50
Administrative	—	1	22

Dispute Type

Dispute Type	2022	2021	All
Consumer	68,381	2,659	71,078
Employer Promulgated Employment	—	3	1,142
Employment	362	89	530
Employment Issues/Commercial Contract	—	—	4

Awards

Awards	2022	2021	All
Business	19	21	41
Consumer	8	5	15
---	—	9	9

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