The 79-year-old was walking next to a display of alarm clocks in the unidentified store when she fell over a post which was protruding into the aisle.
The Derby woman suffered injuries and now needs to walk with a Zimmer frame.
Following the case, experts are seeking to raise awareness about public safety and employers’ legal obligations.
Michael Jefferies, managing director of Jefferies Solicitors, said: “Businesses have a legal obligation to protect employees and members of the public and it’s important that safety is their top priority.
“We also advise people to be aware of the potential risks around them, particularly during wet weather, as well as looking out for trip hazards like rugs and uneven surfaces.”