"The Truth is a Powerful Ally"

Expert/Firm Profile: John F. Cerlanek is a Certified Document Examiner and President of SignaScan, Inc., a state of the art Forensic Laboratory involved in research and analysis of Questioned Documents and Handwritings, since 1987.  Over one million dollars invested in research and equipment.  Offices in northern and southern California.  Mr. Cerlanek has worked and given expert opinions on over 3000 questioned document cases; holds five U.S. Patents in forensics, involving Signature Verification, Handwriting Analysis, Document Analysis, and Datable Inks; is an MCLE Certified Instructor; is a Court Qualified Expert Witness, with a proud record of accurate and effective results - (less than 1% of 3000 cases worked, went to trial); has testified in over 100 Arbitrations and 20 Trials, in Municipal and Superior Courts in California.
Services:  Our equipment and reliable scientific analysis can provide the conclusive, objective evidence, to strongly support your case.  We provide total technical assistance, effective reports with pictures of the evidence found; and presentations with convincing exhibits - so the Judge and Jury can see the evidence, for themselves.  Analysis is performed on a patented "Computer Aided Document Analysis System" which affords:  variable microscope viewing (1 to 700 X); precision measurements within 1/10,000th of an inch; dual image equalizations and overlays - for precise overlay comparisons, at varying magnifications; hi-resolution, dual monitor viewing; top, bottom and oblique lighting, of varying frequencies; image captures; computer software aided analysis; and the creation of effective evidence exhibits.
Areas of Expertise: 
  • Handwriting Identification
  • Questioned Signatures and Writings
  • Forgery, Simulation, Tracings and Authorship Determination
  • Fraudulent and Altered Documents
  • Obliterations, Erasures and White Outs
  • Indented Writings
  • Non-Destructive, Pen and Ink Identification
  • Ink Striation Analysis
  • Infrared and Ultraviolet Photography and Analysis
  • We Specialize in Medical Sign-in Sheets, and docs with consecutive entries
Certifications:  Board Certified by the National Association of Document Examiners
Experience:
  • Over 3000 Cases Worked
  • Approximately 2000 Medical "Sign-in Sheets"
  • 860 Determined to be Fabricated (Approx. 35%)
  • Most Were Dropped, or a nuisance Settlement Accepted
  • Over 2 Million Dollars in Reduced Fraudulent Claims Costs
  • Only Eight Cases Went to Trial (less than 1%)

SignaScan
John F. Cerlanek, CDE

1423 Lambda Place
Anaheim, CA 92805

714-635-7899
www.signascan.com

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