In the fight against Covid-19, contact tracing apps have so far largely been disappointments— in the United States, at least. Proposed in the spring as a way to help quickly stifle viral outbreaks by tracking down potential exposures using smartphones, they were stunted by technical glitches, concerns over privacy, and the US’s fragmented, haphazard pandemic response. Now, they may become mired in a fight over patents.
The challenge comes from Blyncsy, a Salt Lake City–based maker of software that helps cities gather and analyze mobility data. In recent weeks, the company has sent claims seeking the equivalent of $1 per resident to states that have released or plan to release contact tracing apps, including Pennsylvania, North Dakota, South Dakota, and Virginia. The company holds three patents related to contact tracing. One of them, granted in February 2019, for “tracking proximity relationships and uses thereof,” describes methods of tracking