Intellectual property work in Charleston — trademarks, patents, copyrights, and trade secrets — is built on deadlines and federal procedure. A registered patent attorney or experienced trademark lawyer can mean the difference between an enforceable right and a costly gap. The firm you choose protects what your business is built on.
Updated June 01, 202612 min readEditorially independent
Choosing an IP lawyer depends on what you need protected: a trademark for your brand, a patent for an invention, a copyright, or enforcement against an infringer. Below are Charleston-area intellectual property firms and attorneys that appear consistently across Super Lawyers, Best Lawyers, Justia, Avvo, and IP rankings such as the IAM Patent 1000, with verifiable IP focus. Patent work in particular requires USPTO registration, which we note where confirmed.
How we picked these 9: We reviewed peer rankings (Best Lawyers, Super Lawyers, Avvo, Martindale-Hubbell), bar recognition, verifiable credentials, and consistency across independent directories. Firms that appeared across two or more independent sources made the list. We do not accept payment for placement, and we do not write sponsored reviews. More on our methodology →
1
Kim, Lahey & Killough Law Firm
James Island, CharlestonBoutique
Practice focus: Patents, trademarks, copyrights, trade secrets, IP litigation, licensing
Led by B.C. Killough, a USPTO-registered patent attorney with more than 30 years of experience who has obtained 300+ U.S. patents, is a Senior Fellow of the Litigation Counsel of America, and served as Adjunct Professor of Patent Law at the University of South Carolina.
Fee structure
Flat fee / hourly
Consultation
Consultation
Office
147 Wappoo Creek Drive, Suite 202, Charleston, SC 29412
Founded by Brent D. Sausser, a USPTO-listed attorney of record who has filed more than 2,000 U.S. trademark applications, was named a Super Lawyers Rising Star, and the firm was recognized in Best Law Firms (2026 Edition).
Practice focus: Patents, trademarks, copyrights, trade secrets, licensing, IP litigation
Managing member Jeremy M. Stipkala is a USPTO-registered patent attorney with a Ph.D. in Chemistry from Johns Hopkins and a J.D. with High Honors from George Washington University, formerly of Finnegan Henderson.
Fee structure
Flat fee / hourly
Consultation
Consultation
Office
5401 Netherby Lane, Suite 1201, North Charleston, SC 29420
Practice focus: Trademark prosecution and enforcement, patents, IP and technology litigation
A national firm whose Charleston managing partner John C. McElwaine is ranked in the World Trademark Review 1000; the firm is ranked Tier 1 in Trademark Law in Charleston by Best Law Firms.
Fee structure
Flat fee / hourly
Consultation
Consultation
Office
151 Meeting Street, Suite 600, Charleston, SC 29401
Practice focus: Patent prosecution and litigation, trademark, copyright, trade secrets, IP transactions
A transatlantic firm with a 120+ attorney IP practice recognized in the IAM Patent 1000, with hundreds of its attorneys named to Super Lawyers or Rising Stars.
Practice focus: Intellectual property, patents, trademarks, IP mediation
IP practice anchored by Todd M. Hess, a registered patent attorney admitted before the USPTO who is also a licensed Professional Engineer and Certified Financial Planner with over a decade of IP experience.
Practice focus: Patent prosecution and litigation, trademarks, IP licensing, trade secrets
A national IP boutique founded by patent attorney J.D. Houvener, with USPTO-registered patent attorneys handling prior-art searches, patentability assessments, and prosecution for the Charleston area.
Fee structure
Flat fee / hourly
Consultation
Consultation
Office
Faber Place Drive, Suite 300, Charleston, SC 29405
Practice focus: Federal trademark registration, trademark clearance searches, USPTO office actions
Solo practice run by Matthew “Alex” Toporek, a University of South Carolina School of Law graduate with more than 10 years of practice offering flat-rate federal trademark registration to small businesses and startups.
Practice focus: Trademarks, business law, estate planning
Solo attorney Evan Guthrie, a College of Charleston and University of South Carolina School of Law graduate with 15 years of experience, holds a Justia Top Rated Lawyer 10/10 rating.
Fee structure
Flat fee / hourly
Consultation
Consultation
Office
164 Market Street, Suite 362, Charleston, SC 29401
Match the lawyer to the right. Trademark registration and brand enforcement are different work from patent prosecution, which legally requires a USPTO-registered patent attorney or agent, often with a technical degree in the relevant field. Copyright and trade-secret matters are different again. Ask whether the attorney handles your specific type of IP day to day.
Decide whether you need filing, enforcement, or both. Some firms focus on prosecution — getting trademarks and patents registered — while others are litigators who enforce rights in federal court. The strongest Charleston-area firms do both, but confirm the firm's strength matches your need.
What to look for in a intellectual property lawyer
The firms above are a starting point, not a verdict. The right lawyer for you depends on your facts, your budget, and how you want to be treated. Use these five signals to compare them.
The right registration and credentials. For patents, confirm the attorney is registered to practice before the USPTO and has a technical background in your field. For trademarks, look for a track record of filings and office-action responses. These are concrete qualifications, not marketing.
Relevant, recent experience. IP law is specialized and fast-moving. You want a lawyer who files and enforces IP in your industry regularly — software, life sciences, consumer brands — not a generalist who handles the occasional trademark between unrelated matters.
A clearance-first mindset. A good IP lawyer searches before filing — a trademark clearance search or a patent prior-art search — so you do not invest in a mark or invention that is already taken. Be wary of anyone who files first and asks questions later.
Fees in writing, in plain English. Trademark filings are often flat-fee per class; patent work and litigation are larger investments. You should leave knowing exactly what is included, what government fees apply, and what enforcement could cost.
Peer recognition you can verify. Look for listings in the IAM Patent 1000, World Trademark Review 1000, Best Lawyers, Super Lawyers, or Chambers. These rankings are independent and easy to check.
What an IP matter looks like in Charleston
A trademark matter usually starts with a clearance search to confirm your brand is available, followed by a federal application filed with the USPTO, responses to any office actions, and — once registered — monitoring and enforcement against infringers. The whole registration process commonly takes the better part of a year.
Patent work begins with a prior-art search and a patentability assessment, then drafting and filing a detailed application that a USPTO-registered attorney prosecutes through examination, often over several years. Many Charleston-area inventors work with the Research Triangle and broader regional IP bar given the technical depth required. When rights are infringed, enforcement moves to federal court, where litigation experience matters as much as filing skill. Whichever path your matter takes, the value of good IP counsel is the same: a right that holds up when it is tested and a strategy matched to how your business actually competes.
What does an IP lawyer in Charleston cost?
In the Charleston area, a federal trademark application is often a flat attorney fee of roughly $500 to $1,500 per class plus USPTO filing fees, with clearance searches priced separately. Trademark enforcement and oppositions are billed hourly.
Patents are a larger investment: preparing and filing a utility patent commonly runs from about $8,000 to $15,000 or more depending on complexity, plus prosecution and USPTO fees over the life of the application. IP litigation is billed hourly, often $300 to $600 an hour or more. Because IP rights are assets, a good Charleston-area attorney frames the cost against the value of what you are protecting.
Red flags to watch for
Guaranteed outcomes. No ethical attorney can promise a specific result. If a firm guarantees how your intellectual property matter will end before reviewing your file, walk away.
The disappearing senior lawyer. You meet a name partner at intake, then never speak to them again while a junior runs the file unsupervised. Ask in writing who your day-to-day lawyer will be.
No verifiable track record. “We have handled thousands of cases” is marketing. Real evidence is named results, peer recognition such as Super Lawyers or Best Lawyers, and a clean record with the state bar.
Pressure to sign immediately. A reputable firm gives you the engagement letter in writing and time to read it. High-pressure intake is a sign of a volume mill, not a careful practice.
Vague fee terms. “Don't worry about the cost” is a red flag. Every legitimate firm puts the fee, what it covers, and what triggers extra charges in writing.
10 questions to ask in your free consultation
Most firms on this list offer a free consultation. Use it, take notes, and compare at least two firms before you sign.
Who, specifically, will handle my matter day to day? Get a name and an email, not just a firm brand.
How many matters like mine have you handled in the last three years? You want a number, not a brochure line.
What is your fee, and what does it cover? Get the answer in writing before you sign anything.
What costs am I responsible for, and when? Out-of-pocket expenses surprise people. Ask up front.
What is the realistic range of outcomes here? A good lawyer gives you a range. A weak one promises the high end.
How long will this take? Ask for an honest estimate with the assumptions stated.
Who else might work on this — associates, paralegals, experts? Know who is actually on your team.
How and how often will I hear from you? Set the communication expectation now, not later.
What is the worst-case outcome? A lawyer who will not discuss downside risk is selling you something.
What happens if I want to change lawyers later? Make sure you understand how your file and any fee are handled.
What's specific about Charleston
IP is federal, so reach beyond the city limits. Trademarks and patents are governed by federal law and the USPTO, so the best Charleston-area attorney for your matter may sit in the broader region. The credential that matters — USPTO registration for patents — is national.
Industry fit counts. An attorney with a background in your technology — chemistry, software, engineering, life sciences — drafts stronger patents. For brands, a trademark lawyer who knows your market spots conflicts faster.
Local litigation when enforcement is needed. If you have to enforce a right or defend against an infringement claim, it lands in federal court. Charleston-area firms with both prosecution and litigation depth can take a matter from filing through enforcement without handing it off.
Your first steps this week
If you need to protect a brand or invention, a few moves make your first consultation more productive.
Write down exactly what you want to protect. Name the brand, logo, product, or invention and how you use it in commerce. Clarity here drives the clearance search and the filing strategy.
Document your dates and use. Note when you first used a mark or conceived an invention, and keep records. In IP, timing and documentation often determine the strength of a right.
Do not disclose publicly before you file. Public disclosure can jeopardize patent rights. If you are close to launching or pitching, talk to an attorney first about what protection to file and when.
Book two consultations. Most firms above offer an initial meeting. Talk to at least two before you commit, and choose the attorney whose registration, industry fit, and fee structure match what you are protecting.
Talk to a Charleston intellectual property lawyer — free, no obligation
Tell us what is going on. We'll match you with vetted Charleston firms from the list above. Most respond within one business day.
Frequently asked questions
Do I need a registered patent attorney?
For patents, yes — only attorneys and agents registered with the USPTO can prosecute patent applications, and many hold technical degrees in the relevant field. Trademarks and copyrights do not require USPTO registration, but an experienced IP attorney still improves your odds of a clean, enforceable right.
What's the difference between a trademark, patent, and copyright?
A trademark protects brand identifiers like names and logos; a patent protects inventions and how they work; a copyright protects original creative works such as writing, art, and code. Many businesses need more than one, and an IP attorney can tell you which apply to your situation.
How much does a trademark cost in Charleston?
A federal trademark application is often a flat attorney fee of roughly $500 to $1,500 per class plus USPTO filing fees, with clearance searches priced separately. Enforcement and oppositions are billed hourly.
How much does a patent cost?
Preparing and filing a utility patent commonly runs from about $8,000 to $15,000 or more depending on complexity, plus prosecution and USPTO fees over the life of the application. A provisional application is cheaper as a first step.
How long does trademark registration take?
Federal trademark registration commonly takes most of a year from filing to registration, longer if the USPTO issues office actions or a third party opposes. An attorney manages the responses and deadlines along the way.
Should I do a clearance or prior-art search first?
Yes. A trademark clearance search or a patent prior-art search tells you whether your mark or invention is available before you invest in filing. Skipping the search risks spending money on a right you cannot get or enforce.
Can I file a trademark or patent myself?
You can file pro se, but the rules are technical and mistakes can narrow or forfeit your rights. For trademarks an attorney improves your odds; for patents, professional drafting and prosecution materially affect the value of what you get.
What can I do about someone infringing my IP?
Options range from a cease-and-desist letter to a USPTO opposition or cancellation to federal litigation. An IP attorney with enforcement experience assesses the strength of your right and recommends a proportionate response.
Does my Charleston business need IP protection if I only operate locally?
Often yes. Trademarks and patents are federal rights, and even a local Charleston business can face conflicts with national brands or want to expand. Early protection is cheaper than fixing a conflict later.
How do I choose between two Charleston-area IP firms?
Compare the right credentials — USPTO registration for patents, a filing track record for trademarks — industry fit, whether the firm handles both prosecution and enforcement, and clear fees. Meet at least two and choose the one whose expertise matches what you are protecting.
One last thing. Choosing a lawyer is personal. Read the reviews. Call two or three firms before you sign. Ask each one how many matters like yours they have handled in Charleston in the last three years. The answer tells you most of what you need to know. — The LawFirmSquare team
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