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Review of Case Materials
Reviews records, documents, testimony, data, and other relevant materials and consults with counsel regarding technical issues related to the matter.
Provide Expert Analysis
Applies specialized knowledge and experience to evaluate the technical or professional issues involved.
Form Expert Opinions
Develops independent, supportable opinions based on the available evidence and relevant standards.
Prepare Expert Reports
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Differences can originate in the source data rather than the visual map itself. A GIS expert can compare coordinate reference systems, data vintages, layer definitions, geographic extents, geocoding results, processing steps, and other inputs to determine where the maps diverge. This can be important when two parties rely on apparently similar maps to support different spatial conclusions.
Geo fencing uses a defined geographic area to trigger or categorize location-based activity. When a geofence is disputed, the analysis may involve its coordinates or geometry, the location data used to determine whether a device or event crossed the boundary, timestamps, positioning accuracy, and the rules applied by the underlying system. A GIS expert can examine how those spatial components interact without assuming that a mapped point represents an exact physical location.
GIS tools can calculate distances, create buffers around locations, overlay multiple datasets, and compare points, lines, or polygons within the same spatial framework. Those methods can help test claims about proximity, inclusion within a mapped area, geographic distribution, or relationships among multiple locations. The reliability of the result still depends on the quality, scale, coordinate system, and intended use of the source data.
A static map or screenshot may leave out information needed to reproduce the analysis. When possible, counsel may need the underlying spatial files or geodatabase, attribute tables, metadata, coordinate-system information, source imagery, layer definitions, processing history, timestamps, and documentation identifying where the data originated. Preserving those materials can make it possible to examine how the final map or spatial result was generated.
Prepares clear, well-supported expert reports outlining methodology, analysis, findings, and opinions.
Provide Deposition Testimony
Explains findings and opinions under oath and responds to questioning during deposition testimony.
Testify in Court
Presents specialized findings and opinions clearly to judges, juries, arbitrators, or other decision-makers.
