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Louis DeFilippi, LLC
Independent consulting
Expert biochemist
Expert witness

Offering Honest Laboratory,

Production and Consulting


- through the services of an -

Expert Biochemist

Highly Credentialed Expert Witness;

Experienced in multiple cases,

Depositions, Evidentiary Hearing


Louis DeFilippi LLC is the namesake company of Louis DeFilippi, PhD Biochemist, offering private consulting, expert witness, and hands-on expertise in a number of broad areas.



1.  Industrial and laboratory biotechnology WITH DEMONSTRATED COMMERCIAL SUCCESS, from 

2.  Environmental and regulatory compliance...

3.  Biological treatment of hazardous wastes; Water, wastewater, air emissions,

      especially using microbial fixed film reactors

4.  Continuous bioprocesses and applied engineering for

5.  Expert witness: biochemistry, biotechnology, microbiology, environmental and regulatory,

     including patent infringement / litigation and civil cases.  




We are located in unincorporated Cook County in the Township of Palatine (Northwest Suburbs of Chicago, Illinois, USA). We are conveniently located near interstate highways I-290, I-294, I-90 and I-355, and Illinois Routes 53 and 62. We are just 20 minutes from O'Hare Airport, the busiest airport in the world (usually!) and 45 minutes from the Chicago Loop (downtown; traffic permitting).



Simply get in touch with Dr. Louis DeFilippi, President, Louis DeFilippi, LLC during normal business hours (7:30 AM- 5:30 PM, Central Standard Time, USA):

Phone:   1 (847) 925-8524 (USA)

Snail mail to:   208 Edgewood Lane,
Palatine IL, 60067, USA





   We have been serving industrial customers throughout the world since 1978; independent since 1995.  We have clients in the Chicago area (Chicagoland, Illinois) and other parts of the United States (Missouri, Michigan, Indiana, Wisconsin, New Jersey, New York, etc.), the U.K., Canada, China (PRC), and Taiwan [ROC (Republic of China)], Singapore.  Our customers range in size from small companies with as few as 20 employees, all the way up to large corporations of many thousands of employees and governmental agencies.  We have served customers in industries involved with biotechnology (bioprocessing, pharmaceuticals and pharmaceutical intermediates, synthetic organic, food and other applications), regulatory compliance (primarily the food industry, e.g. meat packing, vegetable processing, fruit juice bottling, commercial baking, prepared foods, corn wet milling, cold storage, transportation and trucking, warehousing) and environmental (primarily chemicals and petrochemicals, produced water, petroleum refining, wood treating, and metals (especially hexavalent chromium, Cr(VI)), as well as drinking water.



Absolutely no guaranty of any kind is made as to the accuracy of any data or statement contained herein or any web page containing information by or on Louis DeFilippi or Louis DeFilippi, LLC, or any associated firms.  While this material is furnished in good faith, NO WARRANTY EXPRESS OR IMPLIED, OF MERCHANTABILITY, FITNESS, SAFETY OR OTHERWISE IS MADE. None of the information constitutes legal advice or medical advice.  This material is offered only for your consideration, investigation and verification and Louis DeFilippi, LLC shall not in any event be liable for special, incidental or consequential damages in connection with its publication or use.