The Graveyard
Back from the Brink
Going Public
Potent Patentables
Company Secrets
100

Losing this trademark in 1919 was quite a headache for Bayer AG.

What is aspirin?

100

An aggressive marketing campaign in the 90s helped save this gaming system from losing its trademark.

What is Nintendo Entertainment System

100

Since entering the public domain, this famous Van Gogh painting's elegant swirling lines have graced everything from phone cases to water bottles.

What is Starry Night?

100

Somewhere between Baltic Avenue and Marvin Gardens you can find the early patent for this famous board game. 

What is Monopoly?

100

11 herbs and spices add up to one juicy trade secret for this fast food restaurant. 

What is KFC?

200

This term for a moving staircase lost its trademark to genericide in 1950. 

What is escalator?

200

This office equipment manufacturer's campaign succeeded in keeping its photocopying machine name a trademark.  

What is Xerox?

200

The first iteration of this iconic cartoon character sailed into public domain in 2024.

Who is Mickey Mouse?

200

The 2007 patent for this revolutionary cell phone design simply listed it as an "electronic device." 

What is the iPhone?

200

This famous general purpose lubricant can be found in most household garages, but its formula remains a closely guarded trade secret. 

What is WD-40?

300
This fibrous breakfast cereal lost its trademark in 1944 leaving it without a home bran(d).

What is raisin bran?

300

About to sneeze? You better ask for a tissue and not this synonymous trademark.

What is Kleenex?

300

As of 2013 all of the original stories involving this famous British sleuth have finally entered the public domain. 

Who is Sherlock Holmes?

300

A 1974 patent was issued to Roger Easton for his satellite-based technology now known by this acronym.

What is GPS?

300

The technology company's search algorithm is a closely held company trade secret. 

What is Google?

400

This former trademark may have lost its teeth but over half of its generic versions carry the label "YKK"

What is a zipper?

400

If you're not specific about your lip balm name, Pfizer can kiss this trademark goodbye. 

What is Chapstick?

400

Singer/Songwriter Phil Collins penned the soundtrack for this Disney movie, based on the public domain story by the same name.

What is Tarzan?

400

The bane of the 80s and 90s business woman, this 1958 patent submitted by Ernest G. Rice describes a "combination stocking and panty." 

What is pantyhose?

400

This newspaper's formula for creating its famous best seller list is a trade secret it refuses to divulge.

What is the New York Times?

500

This heroic adhesive originally made by the Loctite Corporation lost its trademark status in 1981. 

What is super glue?

500

After all the work its inventors put into this non-lethal force weapon, its manufacturing company would be stunned for it to lose its trademark. 

What is a Taser?

500

While characters from Mary Shelley's Frankenstein have been in the public domain for decades, this film studio still owns the rights to the classic green skinned bolt-necked version.

What is Universal Studios?

500

In 1947 a patent was issued for the helical spring children's toy with the popular tagline "Everyone knows it's a this."

What is a Slinky?

500

For the last hundred years this number one worldwide chewing gum brand has managed to keep its minty recipe a trade secret. 

What is Wrigley's?

M
e
n
u