Our powerful court testimony, can assist you in demonstrating the truth.

 

Age Determination of Ink:

—  effective and reliable methods to chemically date ink entries

—  other ink entries are not necessary for comparison

—  age is determined by analyzing volatile components, not dye components

—  The method was successfully subjected to testing by this firm on two occasions in 2001. [VIEW PDF]

—  November 21, 2002, Hong Kong Ruling on Ink Dating (enable bookmarks to peruse areas) [VIEW PDF]

Mr. Gerald M. LaPorte, M.S.F.S. has extensive experience as a forensic chemist and document dating specialist. He trained and served as the Chief Research Forensic Chemist with the United States Secret Service and was responsible for maintaining the largest known forensic collection of writing inks in the world. Mr. LaPorte has published extensively in the field of Questioned Document and is an active member in numerous forensic organizations.

You may obtain copies of the American Society for Testing and Materials (ASTM) published guidelines regarding forensic ink chemistry at the ASTM website - Standard Guide for Writing Ink Identification (ASTM Standard E1789) and Standard Guide for Test Methods for Forensic Writing Ink Comparison (ASTM Standard E1422).

Written reports of Mr. LaPorte's findings, along with his powerful court testimony, can assist you in demonstrating the truth of the evidence in your case.