Patent landscapes › Kitchen & cooking
Is a chopsticks patented?
Short answer: specific designs of a chopsticks have been patented many times, but "a chopsticks" as a general idea is not what is protected. What matters is the exact combination of features in your version.
What our index shows
- 138 US and WO patent publications since 2000 have a title matching “chopstick” or a close variant (our index of 9.7 million patent families; one publication per family).
- Among the 68 best keyword matches we examined, 9 were published in 2020 or later, and the earliest was published in 2001.
- Most frequent assignees in those matches: WOO CHAT MING (3), HSU FRED (3), CHEN YWANNE (2), TRAN DANG MINH (2).
- Most common patent classes (CPC subclasses): A47G (66), G09B (6), A47J (2), Y10T (2).
Counts come from keyword matching on titles and abstracts, so they are indicative, not a legal count. Some matches are different products that share a word.
14 real patent publications related to a chopsticks
- Foldable Chopstick Device with Tension Connection Point and Pin US-2025120526-A1 2025 · DEADMOND GERRY
A pair of hinged chopsticks is disclosed. The pair includes a first chopstick and a second chopstick, each having a main stick with a tapered end and an opposite thicker end. The thicker ends are joined by a pin, functioning as a …
View on Google Patents - Chopsticks WO-2022241777-A1 2022 · HU JINMING
A pair of chopsticks, which comprise two chopsticks, each chopstick being made up of a hand-gripping portion (2) located at a rear part and a grasping portion (1) located at a front part, said portions being configured as an integ…
View on Google Patents - Pair of chopsticks having radially extending holders WO-2019000413-A1 2019 · WORLD WIDE DAILY HOLDINGS CO LTD
A pair of chopsticks (100) include a first elongate shaft (102) having a first end (107), a second end (108) spaced from the first end, and a radially extending holder (110) positioned between the first end and the second end, and…
View on Google Patents - Tapered chopstick with end-biased balance point US-10258178-B2 2019 · Gervasi Vito Russel
A pair of chopsticks in which each chopstick provides an extenuate body tapering to a tip with an internal weighting moving the center of gravity of the chopstick toward the tip with respect to the midpoint of the chopstick to pro…
View on Google Patents - American Chopsticks US-2017055744-A1 2017 · Acosta Loretta
A chopstick having fork like structure is disclosed that comprises of a pair of elongated horizontal members supported by fork like structure at their tip and attached to each other via a semi rounded groove like structure. The fo…
View on Google Patents - Spoon Head Device for Use with Chopsticks US-2016324346-A1 2016 · CHEN YWANNE
A spoon head device that may be readily picked up and set down by a pair of chopsticks, to permit a user to use chopsticks to eat solid food and readily engage the spoon head to fashion a spoon for consuming liquid, such as soup. …
View on Google Patents - Chopsticks with a hinge mechanism US-9468322-B2 2016 · WOO CHAT MING
Chopsticks comprise a lower chopstick member ( 20 ), an upper chopstick ( 10 ) and a hinge mechanism. The hinge mechanism comprises a hinge arranged on the lower chopstick member ( 20 ) and a hinge hole ( 102 ) in the upper chopst…
View on Google Patents - Pair of chopsticks WO-2016109973-A1 2016 · WORLD WIDE STATIONERY MFG CO
A pair of chopsticks generally comprises a first elongate shaft (102) comprising a first end (106) and an opposing second end (108). A foot (110) is attached to the second end (108) and oriented at an oblique angle with respect to…
View on Google Patents - Chopsticks US-2009108600-A1 2009 · PEPPER FOOD SERVICE CO LTD
An object of the present invention is to provide chopsticks that are hard to roll, can be aligned easily in a pair on a table, and are hard to damage through repeated use by teeth marks and so on, and in which heat is not easily c…
View on Google Patents - Chopsticks with fork WO-2007049887-A1 2007 · LEE NAN HEE
Disclosed herein is a fork and chopstick combination, which has a training function to help a novice become accustomed to using chopsticks. The fork and chopstick combination includes a body, a coupling part, and a pair of hinge p…
View on Google Patents - Single-body sanitary spoon and chopsticks US-2007006465-A1 2007 · LEE NAN-HEE
The present invention relates to one-body type for both sanitary spoon and chopsticks. The one-body type for both sanitary spoon and chopsticks of the present invention is consist of a left/right body as a pair of left spoon and r…
View on Google Patents - Pair of asian chopsticks provided with a device for making them mutually integral and articulating WO-2006042965-A1 2006 · HUYNH HUU THANG
The invention concerns a pair of Asian chopsticks (1 and 2) provided with a device (3) for making them mutually integral and articulating, each chopstick having a tapered end (11, 21) for holding foods and another globally quadran…
View on Google Patents - Chopsticks WO-2006004290-A1 2006 · YOUNG WOO CO LTD
The present invention provides chopsticks, which can provide functions of a spoon and table fork and of which grip and handling are facilitated. The present invention includes a pair of sticks (11 and 12) having upper ends joined …
View on Google Patents - Holder for chopstick pair US-6402214-B1 2002
An appliance for holding chopsticks comprising a paper or plastic sipping straw-like tube with a flexible center formed by a bellows or a thinned web section. Chopsticks are inserted into the opposite ends of the tube and are held…
View on Google Patents
What this means for your idea
Because patents cover specific combinations of features, the useful question is not “has a chopsticks been patented?” but “has my combination of features been described before?” Kitchen gadgets are a crowded, mature field; novelty usually sits in one specific mechanism, the material, or how two familiar functions are combined.
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Guides that help with this
First-look landscape. Not exhaustive. Not legal advice. This page lists keyword-matched publications from a limited database; it does not say whether any product is or isn't covered by a patent, whether a patent is still in force, or whether your idea is patentable. Consult a registered patent attorney or agent.