The development of Goospery is closely linked to Mercury Corporation, a South Korean mobile accessories company. Mercury describes itself as a manufacturer of cellular phone cases and accessories, marketing products under both the MERCURY and GOOSPERY names. While one company profile states that Mercury was established as a mobile phone case manufacturer in 2005, another corporate directory lists the current corporation’s establishment date as 2011. This distinction between the original business operations and the later formal corporate registration is significant when tracing the brand’s origins.[1]

Trademark records offer specific dates for the Goospery brand itself. The M GOOSPERY mark was in use for mobile phone accessories by 2012,[3] while the standalone GOOSPERY trademark in the United States records a first commercial use date of February 26, 2013. The U.S. trademark was subsequently registered to Mercury Corporation Ltd. in 2015.[2] These dates establish Goospery as a brand originating from the early smartphone era rather than a recent market entrant.

Mercury Corporation Ltd. is a South Korean enterprise focused on the mobile accessories sector. Its product categories have included phone cases, protective films, chargers, earphones, phone straps, and holders. The corporate website identifies the legal entity as Mercury Corporation and explicitly associates it with the Goospery name.[4]

Historical company profiles state that Mercury exported MERCURY/GOOSPERY products to more than 60 countries, supplying accessories for devices from manufacturers such as Samsung, Apple, LG, Sony, and HTC. At the time of publication, the company claimed a production capacity of up to 90,000 pieces per day. These figures represent historical claims and may not reflect current production statistics.[3]

Current Korean corporate information lists the company’s address in Gimpo, Gyeonggi-do, South Korea, whereas older international trade listings placed its headquarters in Seoul.[4]

Goospery is primarily recognised for its smartphone cases. Over the years, the brand has produced cases for a wide array of Apple iPhone and Samsung Galaxy devices, alongside models from other manufacturers.

Silicone and jelly cases

The brand has extensively marketed soft cases made from flexible materials, notably its Mercury Silicone, Jelly, and Soft Feeling Jelly lines. These cases typically prioritise:

• Lightweight protection
• Enhanced grip and handling
• Flexible construction
• Slim profiles
• A wide variety of colours
• Edge-to-edge coverage

Marketplace listings continue to feature Mercury Silicone, Jelly, and Soft Feeling Jelly cases for various Apple and Samsung smartphone models.[16]

Diary and wallet cases

A significant product category for Goospery has been the diary or folio case. These designs combine a protective phone shell with a folding cover and often include:

• Credit card slots
• ID card storage
• Cash compartments
• Stand functionality
• Magnetic closures
• Full screen protection when closed

The Blue Moon Diary series exemplifies this category, featuring wallet-style storage compartments and an integrated stand function.[5]

Flip cases

Goospery has produced numerous flip and folio covers in both leather-style and synthetic materials. Historical product listings include:

• Goospery Leather Flip Diary Cover
• Goospery Techno Flip Cover
• Goospery Fancy Diary Cover
• Goospery Easy View Cover
• Goospery Viva View Cover
• Goospery Sonata View Cover
• Goospery Focus View Cover[12]

This category was particularly prominent during the early-to-mid smartphone era when flip and wallet cases were dominant form factors.

Protective and bumper cases

The brand has also manufactured conventional protective cases, including bumper designs that utilise multiple materials. A historical example is the I-Pocket Premium Bumper Case, which combined TPU and polycarbonate and featured a rear card pocket.[4]

Other mobile accessories

Goospery trademark registrations cover a broader range of products beyond phone cases, including:

• Protective films
• Phone chargers
• Earphones
• Phone straps
• Phone holders
• Batteries
• Charging cables

For instance, the Canadian GOOSPERY trademark is registered for phone cases as well as several of these accessory categories.[2]

Goospery’s brand identity has traditionally occupied a space between fashion accessory and protective technology product. Rather than focusing exclusively on rugged or military-grade protection, many Goospery products aim to integrate the phone case into the user’s personal style. Historical company descriptions emphasise quality, stylish design, competitive pricing, and responsiveness to changing consumer trends.[6]

This approach is evident in older product families that offered extensive colour options and incorporated features such as card storage, viewing windows, kickstands, and magnetic closures. The core value proposition can be summarised as combining protection, fashion, and everyday functionality.

Depending on the specific product line, Goospery cases have utilised various materials:

• TPU: A flexible thermoplastic commonly used for shock absorption.
• Polycarbonate (PC): A rigid plastic providing structural protection.
• Silicone: Used for soft-touch, flexible cases.
• Synthetic/leather-style materials: Employed in diary and flip cases.
• Jelly-style flexible materials: Used in lightweight, translucent cases.

Some products employ a multi-material construction. For example, the historical I-Pocket Premium Bumper combined an inner TPU layer with an outer polycarbonate shell.[4] This approach allows the brand to offer products ranging from thin daily-use cases to more robust bumper-style designs.

Goospery is fundamentally associated with South Korea and is distinct from generic unbranded case labels. Mercury Corporation’s corporate information identifies South Korea as its base, and international trademark documentation lists Mercury Corporation Ltd. as a Korean company based in Gimpo-si, Gyeonggi-do.[2]

Historical company materials specifically promoted Korean manufacturing capabilities and the use of domestic moulding technology.[4] However, as with many international accessories brands, the manufacturing location for individual products may vary across different product generations and markets, even though the brand origin remains Korean.

Goospery has maintained an international presence for over a decade. Mercury’s historical export profile listed markets across Europe, North America, South America, Asia, the Middle East, and Africa. Specific markets mentioned included Germany, Ecuador, Hong Kong, Indonesia, Italy, Mexico, Thailand, and the United States.[8]

The brand maintains a visible retail presence in Southeast Asia. For example, official Shopee shops in Indonesia list numerous Goospery products and have accumulated tens of thousands of followers, indicating sustained consumer engagement in the region.[7]

Legal records clarify the relationship between Goospery and its parent company, as the brand is sometimes mistakenly described as an independent entity online. The U.S. GOOSPERY trademark was filed in 2014 and registered in 2015, with Mercury Corporation Ltd. identified as the owner. Covered goods included mobile phone cases, protective films, chargers, earphones, straps, and holders.[10]

The brand has also been registered in other jurisdictions. Canada’s trademark database shows GOOSPERY & Design registered to Mercury Corporation Ltd. in 2024, covering cases and other mobile accessories.[2] Similarly, trademark records in Chile list M GOOSPERY under Mercury Corporation.[9]

The corporate structure can be understood as follows:

• Mercury Corporation Ltd.: Corporate and manufacturing entity
• MERCURY: Primary product and brand identity
• GOOSPERY: Secondary brand identity focused heavily on mobile accessories

The connection between the two names is integral to the brand’s identity. Mercury’s trade materials explicitly describe the company’s brands as “MERCURY/GOOSPERY.”[10] The company’s Korean website also prominently features Goospery branding and identifies the legal business as Mercury Corporation.[11]

Consequently, Goospery is accurately described as a South Korean mobile accessories brand operated by Mercury Corporation, rather than as an unrelated company.

Goospery is generally not positioned in the ultra-premium segment characterised by luxury materials or extreme tactical protection. Its historical positioning aligns more closely with mid-range or affordable-premium smartphone accessories, emphasising:

• Attractive designs
• Product variety
• Practical features
• Broad device compatibility
• Reasonable pricing
• Everyday protection

This positioning appeals to consumers seeking distinctive alternatives to basic transparent cases without the premium cost associated with luxury or specialised protective gear.

Several product names have become closely associated with the Goospery brand, including:

• Mercury Silicone Case
• Mercury Jelly Case
• Soft Feeling Jelly Case
• Blue Moon Diary
• Leather Flip Diary
• Viva View Cover
• Easy View Cover
• Focus View Cover
• Sonata View Cover
• I-Pocket Premium Bumper

These names illustrate the brand’s historical emphasis on combining phone protection with additional functionality and visual styling.[12]

The Goospery product ecosystem has evolved alongside smartphone technology. Current online material for the brand emphasises magnetic phone cases, wallet covers, and MagSafe-compatible accessories,[6] suggesting a strategic shift from the older flip and diary case portfolio toward magnetic ecosystems and newer smartphone standards.[13]

Simultaneously, Mercury’s Korean operations continue to sell a variety of mobile accessories under its broader brand ecosystem.[14] The evolution of the product line can be characterised as follows:

• Early Goospery: Flip cases → diary cases → jelly/silicone cases → general phone accessories
• Recent Goospery: Protective cases → magnetic cases → wallet cases → MagSafe-oriented accessories

Goospery’s primary differentiator has historically been design and practicality rather than extreme specialisation. The brand benefits from:

• Extensive experience in the smartphone accessories sector
• Korean corporate and manufacturing heritage
• Broad compatibility with major smartphone brands
• A large variety of designs
• Combination cases and multifunctional products
• Established international distribution

A notable limitation is that quality can be product-line dependent. As a thin silicone jelly case and a multi-layer bumper case are fundamentally different products, the Goospery name alone does not guarantee a uniform level of protection across all items.

The name GOOSPERY is a distinctive coined term rather than a descriptive English product category. Trademark records show both the plain GOOSPERY word mark and the stylised M GOOSPERY branding associated with Mercury Corporation.[15] The branding is generally presented alongside a stylised “M” motif, reinforcing its connection to the Mercury corporate and product family.

1. GOOSPERY Trademark of Mercury Corporation, Ltd. – Registration Number 4715534 – Serial Number 86365687 :: Justia Trademarks
2. Canadian Trademarks Details: GOOSPERY & Design — 1957792 — Canadian Trademarks Database – Intellectual property and copyright – Canadian Intellectual Property Office – Innovation, Science and Economic Development Canada
3. M Goospery (device)
4. Goospery phone case | tradekorea
5. [Apple iPhone 13 Pro – Goospery Blue Moon Diary Case [Pro-Mobile] – ProMobile](https://www.pro-mobile.ca/collections/goospery/products/apple-iphone-13-mini-goospery-blue-moon-diary-case-pro-mobile-1)
6. GOOSPERY – Magnetic Phone Cases, Wallet Covers & MagSafe Accessories
7. Goospery ✅ Februari 2026 100% Original – Official Store Indonesia
8. About Us – Goospery
9. M GOOSPERY, de Tipo Mixta
10. GOOSPERY – Mercury Corporation, Ltd. Trademark Registration
11. M GOOSPERY – Mercury Corporation, Ltd. Trademark Registration
12. GP GOOSPERY Trademark of Mercury Corporation, LTD – Registration Number 4453063 – Serial Number 79131887 :: Justia Trademarks
13. Mercury Corporation, LTD Trademarks Page 1 :: Justia Trademarks
14. Головні аксесуари Goospery: стильні чохли для смартфонів та мобільних гаджетів
15. Goospery: Стильные аксессуары и чехлы для вашего смартфона онлайн
16. HargaGrosiran.com – Versi 2.2. Silikon Polos HP / Tablet Jelly Case Iphone XI / 11 6.1 inch – Original Mercury Goospery Premium Case / Silikon Cover